Ethyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate
Structure Info
- Chemspace ID
- CSSB00010209321 (In-Stock Building Blocks)
- CAS
- 951626-95-2
- MFCD
- MFCD09832110, MFCD09832110
- IUPAC Name
- ethyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate
- Mol formula
- C9H11N3O3
- Mol weight
- 209 Da
- Catalog Number(s)
- 27532, 124249, 138465, 27532-0.25G, 30-1987, 40693, 68R0500, A099001941, A167158, AA00IIPP, AB011566, ABC00141688, AC003498, ACDS-070394, ACZETJ734, AF10493, AG00IISH, AG111535, AI63961, AKOS016009821, AOS00IISH, AQ63961, AR00IJHH, AX152896, ArZ-UP379352, ArZ-UP422685, ArZ-UP506490, BB4LS-68R0500, BB4LS-BD149624, BBLS00010209321, BBV-45169406, BD149624, BT33078, CD11005148, CM126440, CS-0040200, CSC010209321, CSCR00904938013, D504409, D586992, D639207, DS-2778, E945968, EC00IKY9, EN300-200425, F-4192, F240554, FCH1740906, FE142233, HY-W022005, J62950, JH810527, JH810531, LAN-B41741, LN00006654, LQT-B41818, OR73519, PBN20120734, PI951626952, R817481, SAB-004743, ST00IK99, SY112263, TX00IJY5, WX141580, WX141688, Y0980683, Y1197012, Y5045966, Y5223199, Z1741981443, Z5395, ZX-SP011651, ZXC081243, ZXC152488, ZXC222123, bbls00010209321, s1458____25974772____1327610, s1458____25974772____26096366, s1458____25974772____483918, s1458____25974772____486190, s276436____14076718____14110360, s_1458_25974772_483918, s_1458____25974772____483918
- Copy structure to query editor
- SMILES
- INCHI
- INCHI key
- MOL
Properties
- LogP
- -0.23
- Heavy atoms count
- 15
- Rotatable bond count
- 3
- Number of rings
- 2
- Carbon bond saturation, Fsp3
- 0.444
- Polar surface area (Å)
- 73
- Hydrogen bond acceptors count
- 3
- Hydrogen bond donors count
- 1
![Chemical structure of Ethyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate (C9H11N3O3) - CSSB00010209321](/st/structure/200/b52daedd6238c4a3b6ed485cc546dbb0/CCOC%2528%253DO%2529C1%253DNN2CCNC%2528%253DO%2529C2%253DC1.png "C9H11N3O3")
- Zoom the structure
- CSSB00010209321
Items Overall 145 items from 41 suppliers
| Supplier | Lead time | Ships from | Purity | Pack | Price, $ | Qty |
|---|---|---|---|---|---|---|
| BLD Pharmatech Co., Limited (15% Off · Special Offer) | 1 day | United States To: | 98 | 100 mg | 25.00 | |
| BLD Pharmatech Co., Limited (15% Off · Special Offer) | 1 day | United States To: | 98 | 250 mg | 30.00 | |
| BLD Pharmatech Co., Limited (15% Off · Special Offer) | 1 day | United States To: | 98 | 1 g | 63.00 | |
| BLD Pharmatech Co., Limited (15% Off · Special Offer) | 1 day | United States To: | 98 | 5 g | 261.00 | |
Description: Name:Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| BLD Pharmatech GmbH | 1 day | Germany To: | 98 | 100 mg | 25.00 | |
| BLD Pharmatech GmbH | 1 day | Germany To: | 98 | 250 mg | 30.00 | |
| BLD Pharmatech GmbH | 1 day | Germany To: | 98 | 5 g | 261.00 | |
Description: Name:Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| BLD PHARMATECH LTD CN | 1 day | China To: | 98 | 100 mg | 25.00 | |
| BLD PHARMATECH LTD CN | 1 day | China To: | 98 | 250 mg | 30.00 | |
| BLD PHARMATECH LTD CN | 1 day | China To: | 98 | 1 g | 63.00 | |
| BLD PHARMATECH LTD CN | 1 day | China To: | 98 | 5 g | 261.00 | |
Description: Name:Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Advanced ChemBlocks CN | 1 day | China To: | 97 | 250 mg | 40.00 | |
| Advanced ChemBlocks CN | 1 day | China To: | 97 | 1 g | 105.00 | |
| Advanced ChemBlocks CN | 1 day | China To: | 97 | 5 g | 380.00 | |
Description: ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Astatech CN | 2 days | China To: | 95 | 250 mg | 140.80 | |
| Astatech CN | 2 days | China To: | 95 | 1 g | 326.70 | |
| Astatech CN | 2 days | China To: | 95 | 5 g | 1,056.00 | |
Description: ETHYL 4-OXO-4,5,6,7-TETRAHYDROPYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLATE; CAS: 951626-95-2 | ||||||
| Astatech Inc | 2 days | United States To: | 95 | 250 mg | 140.80 | |
| Astatech Inc | 2 days | United States To: | 95 | 1 g | 326.70 | |
| Astatech Inc | 2 days | United States To: | 95 | 5 g | 1,056.00 | |
Description: ETHYL 4-OXO-4,5,6,7-TETRAHYDROPYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLATE; CAS: 951626-95-2 | ||||||
| 1st Scientific CN | 3 days | China To: | 98 | 100 mg | 20.90 | |
| 1st Scientific CN | 3 days | China To: | 98 | 250 mg | 24.20 | |
| 1st Scientific CN | 3 days | China To: | 98 | 1 g | 38.50 | |
Description: Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| 1st Scientific LLC | 3 days | United States To: | 98 | 100 mg | 20.90 | |
| 1st Scientific LLC | 3 days | United States To: | 98 | 250 mg | 24.20 | |
| 1st Scientific LLC | 3 days | United States To: | 98 | 1 g | 38.50 | |
Description: Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Matrix Scientific | 3 days | United States To: | 98 | 1 g | 62.70 | |
| Matrix Scientific | 3 days | United States To: | 98 | 5 g | 264.00 | |
Description: Name: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| J&W PharmLab, LLC. | 3 days | United States To: | 95 | 50 mg | 118.80 | |
| J&W PharmLab, LLC. | 3 days | United States To: | 95 | 100 mg | 137.50 | |
| J&W PharmLab, LLC. | 3 days | United States To: | 95 | 250 mg | 151.80 | |
| J&W PharmLab, LLC. | 3 days | United States To: | 95 | 500 mg | 163.90 | |
| J&W PharmLab, LLC. | 3 days | United States To: | 95 | 1 g | 217.80 | |
| J&W PharmLab, LLC. | 3 days | United States To: | 95 | 5 g | 877.80 | |
Description: 4-Oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazine-2-carboxylic acid ethyl ester; CAS: 951626-95-2 | ||||||
| Abosyn Chemicals Inc. | 3 days | United States To: | 95 | 100 mg | 137.50 | |
| Abosyn Chemicals Inc. | 3 days | United States To: | 95 | 250 mg | 181.50 | |
| Abosyn Chemicals Inc. | 3 days | United States To: | 95 | 500 mg | 269.50 | |
| Abosyn Chemicals Inc. | 3 days | United States To: | 95 | 1 g | 328.90 | |
| Abosyn Chemicals Inc. | 3 days | United States To: | 95 | 5 g | 726.00 | |
| Abosyn Chemicals Inc. | 3 days | United States To: | 95 | 10 g | 1,210.00 | |
Description: Pyrazolo[1,5-a]pyrazine-2-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-, ethyl ester; CAS: 951626-95-2 | ||||||
| BB4LS EU | 5 days | Latvia To: | 98 | 50 umol | 20.25 | |
| BB4LS EU | 5 days | Latvia To: | 98 | 100 umol | 20.63 | |
| BB4LS EU | 5 days | Latvia To: | 98 | 200 umol | 21.00 | |
| BB4LS EU | 5 days | Latvia To: | 98 | 300 umol | 21.37 | |
| BB4LS EU | 5 days | Latvia To: | 98 | 500 umol | 26.10 | |
| BB4LS US | 5 days | United States To: | 98 | 50 umol | 20.25 | |
| BB4LS US | 5 days | United States To: | 98 | 100 umol | 20.63 | |
| BB4LS US | 5 days | United States To: | 98 | 200 umol | 21.00 | |
| BB4LS US | 5 days | United States To: | 98 | 300 umol | 21.37 | |
| BB4LS US | 5 days | United States To: | 98 | 500 umol | 26.10 | |
| AboundChem | 5 days | United States To: | 97 | 100 mg | 30.80 | |
| AboundChem | 5 days | United States To: | 97 | 250 mg | 64.90 | |
| AboundChem | 5 days | United States To: | 97 | 1 g | 211.20 | |
| AboundChem | 5 days | United States To: | 97 | 5 g | 834.90 | |
Description: Name: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| AK Scientific Inc. | 5 days | United States To: | 97 | 100 mg | 42.90 | |
| AK Scientific Inc. | 5 days | United States To: | 97 | 250 mg | 91.30 | |
| AK Scientific Inc. | 5 days | United States To: | 97 | 1 g | 295.90 | |
| AK Scientific Inc. | 5 days | United States To: | 97 | 5 g | 1,168.20 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| AiFChem | 5 days | United States To: | 98 | 1 g | 58.00 | |
| AiFChem | 5 days | United States To: | 98 | 5 g | 241.00 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Fluorochem EU | 7 days | Germany To: | 95 | 250 mg | 30.00 | |
| Fluorochem EU | 7 days | Germany To: | 95 | 5 g | 185.00 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; Physical State: solid; Storage Conditions: ambient storage; Hazard Codes: H302, H315, H319, H332, H335; GHS Pictograms: GHS07; CAS: 951626-95-2 | ||||||
| Abosyn Chemicals CN | 7 days | China To: | 95 | 100 mg | 137.50 | |
| Abosyn Chemicals CN | 7 days | China To: | 95 | 250 mg | 181.50 | |
| Abosyn Chemicals CN | 7 days | China To: | 95 | 500 mg | 269.50 | |
| Abosyn Chemicals CN | 7 days | China To: | 95 | 1 g | 328.90 | |
Description: Pyrazolo[1,5-a]pyrazine-2-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-, ethyl ester; CAS: 951626-95-2 | ||||||
| Angene International Limited | 10 days | China To: | 97 | 50 mg | 5.40 | |
| Angene International Limited | 10 days | China To: | 97 | 100 mg | 7.20 | |
| Angene International Limited | 10 days | China To: | 97 | 250 mg | 12.60 | |
| Angene International Limited | 10 days | China To: | 97 | 1 g | 26.10 | |
| Angene International Limited | 10 days | China To: | 97 | 5 g | 85.50 | |
| Angene International Limited | 10 days | China To: | 97 | 10 g | 157.50 | |
| Angene International Limited | 10 days | China To: | 97 | 25 g | 324.90 | |
Description: Ethyl 4-oxo-4，5，6，7-tetrahydropyrazolo[1，5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Angene Chemical Private Limited | 10 days | India To: | 97 | 1 g | 26.10 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Accela ChemBio Inc. | 10 days | United States To: | 98 | 1 g | 35.00 | |
Description: Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Key Organics Limited (BIONET) | 10 days | United Kingdom To: | 95 | 100 mg | 121.00 | |
| Key Organics Limited (BIONET) | 10 days | United Kingdom To: | 95 | 250 mg | 184.80 | |
| Angel Pharmatech Ltd. | 10 days | China To: | 97 | 2 g | 325.00 | |
| Angel Pharmatech Ltd. | 10 days | China To: | 97 | 5 g | 590.00 | |
Description: CAS: 951626-95-2 | ||||||
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 50 mg | 4.60 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 100 mg | 8.05 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 250 mg | 16.10 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 1 g | 36.80 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 5 g | 124.20 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 10 g | 226.55 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 25 g | 470.35 | |
| Aaron Chemicals LLC | 12 days | United States To: | 97 | 50 g | 846.40 | |
| Fluorochem | 12 days | Ireland To: | 95 | 100 mg | 13.00 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; Physical State: solid; Storage Conditions: ambient storage; Hazard Codes: H302, H315, H319, H332, H335; GHS Pictograms: GHS07; CAS: 951626-95-2 | ||||||
| Ambeed CN | 12 days | China To: | 98 | 100 mg | 22.50 | |
| Ambeed CN | 12 days | China To: | 98 | 250 mg | 27.00 | |
| Ambeed CN | 12 days | China To: | 98 | 1 g | 56.70 | |
| Ambeed CN | 12 days | China To: | 98 | 5 g | 234.90 | |
Description: Name: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Ambeed GmbH | 12 days | Germany To: | 98 | 100 mg | 22.50 | |
| Ambeed GmbH | 12 days | Germany To: | 98 | 250 mg | 27.00 | |
| Ambeed GmbH | 12 days | Germany To: | 98 | 1 g | 56.70 | |
| Ambeed GmbH | 12 days | Germany To: | 98 | 5 g | 234.90 | |
Description: Name: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Ambeed, Inc. | 12 days | United States To: | 98 | 100 mg | 22.50 | |
| Ambeed, Inc. | 12 days | United States To: | 98 | 250 mg | 27.00 | |
| Ambeed, Inc. | 12 days | United States To: | 98 | 1 g | 56.70 | |
| Ambeed, Inc. | 12 days | United States To: | 98 | 5 g | 234.90 | |
Description: Name: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| AA BLOCKS | 12 days | United States To: | 98 | 100 mg | 24.20 | |
| AA BLOCKS | 12 days | United States To: | 98 | 250 mg | 29.70 | |
| AA BLOCKS | 12 days | United States To: | 98 | 1 g | 42.90 | |
Description: Ethyl 4-oxo-4，5，6，7-tetrahydropyrazolo[1，5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| A2B Chem | 12 days | United States To: | 98 | 100 mg | 25.30 | |
| A2B Chem | 12 days | United States To: | 98 | 250 mg | 26.45 | |
| A2B Chem | 12 days | United States To: | 98 | 1 g | 40.25 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| BLD Pharmatech (India) Pvt Ltd | 12 days | India To: | 98 | 250 mg | 30.00 | |
| BLD Pharmatech (India) Pvt Ltd | 12 days | India To: | 98 | 1 g | 63.00 | |
Description: Name:Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Anichem, Inc | 12 days | United States To: | 90 | 1 g | 66.00 | |
| Anichem, Inc | 12 days | United States To: | 90 | 5 g | 198.00 | |
Description: Pyrazolo[1,5-a]pyrazine-2-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-, ethyl ester; CAS: 951626-95-2 | ||||||
| Fluorochem CN | 14 days | China To: | 95 | 1 g | 59.00 | |
| Fluorochem CN | 14 days | China To: | 95 | 2.5 g | 143.00 | |
| Fluorochem CN | 14 days | China To: | 95 | 10 g | 332.00 | |
| Fluorochem CN | 14 days | China To: | 95 | 25 g | 675.00 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; Physical State: solid; Storage Conditions: ambient storage; Hazard Codes: H302, H315, H319, H332, H335; GHS Pictograms: GHS07; CAS: 951626-95-2 | ||||||
| BB4LS GS | 15 days | Latvia To: | 98 | 50 umol | 20.25 | |
| BB4LS GS | 15 days | Latvia To: | 98 | 100 umol | 20.63 | |
| BB4LS GS | 15 days | Latvia To: | 98 | 200 umol | 21.00 | |
| BB4LS GS | 15 days | Latvia To: | 98 | 300 umol | 21.37 | |
| BB4LS GS | 15 days | Latvia To: | 98 | 500 umol | 26.10 | |
| ChemScene CN | 15 days | China To: | 97 | 250 mg | 29.00 | |
| ChemScene CN | 15 days | China To: | 97 | 1 g | 63.00 | |
| ChemScene CN | 15 days | China To: | 97 | 5 g | 261.00 | |
| ChemScene CN | 15 days | China To: | 97 | 10 g | 431.00 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| ChemScene LLC | 15 days | United States To: | 97 | 250 mg | 29.00 | |
| ChemScene LLC | 15 days | United States To: | 97 | 1 g | 63.00 | |
Description: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| Accel Scientific, S.L. | 20 days | China To: | 97 | 50 mg | 7.70 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 100 mg | 9.90 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 250 mg | 17.60 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 1 g | 45.10 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 5 g | 157.30 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 10 g | 281.60 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 25 g | 584.10 | |
| Accel Scientific, S.L. | 20 days | China To: | 97 | 50 g | 1,049.40 | |
Description: Ethyl 4-oxo-4，5，6，7-tetrahydropyrazolo[1，5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| eNovation Chemicals LLC | 20 days | United States To: | 95 | 1 g | 69.00 | |
| eNovation Chemicals LLC | 20 days | United States To: | 95 | 5 g | 207.00 | |
Description: Pyrazolo[1,5-a]pyrazine-2-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-, ethyl ester; CAS: 951626-95-2 | ||||||
| Chemenu Inc. | 24 days | China To: | 95 | 1 g | 118.80 | |
| Chemenu Inc. | 24 days | China To: | 95 | 5 g | 357.50 | |
| Chemenu Inc. | 24 days | China To: | 95 | 10 g | 572.00 | |
| Chemenu Inc. | 24 days | China To: | 95 | 25 g | 1,072.50 | |
Description: CAS: 951626-95-2 | ||||||
| Accela ChemBio Inc. CN | 30 days | China To: | 98 | 100 mg | 15.00 | |
| Accela ChemBio Inc. CN | 30 days | China To: | 98 | 1 g | 35.00 | |
Description: Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
| 10X CHEM | TBD | United States To: | 98 | 100 mg | 20.90 | |
| 10X CHEM | TBD | United States To: | 98 | 250 mg | 23.10 | |
| 10X CHEM | TBD | United States To: | 98 | 1 g | 49.50 | |
| 10X CHEM | TBD | United States To: | 98 | 5 g | 211.20 | |
Description: Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; CAS: 951626-95-2 | ||||||
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Substructure Analogs
![Chemical structure of ethyl 6-methyl-4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate - CSSB00011100054](/st/structure/200/1d0f0980ad3ba066260123c53051ec99/CCOC%2528%253DO%2529C1%253DNN2CC%2528C%2529NC%2528%253DO%2529C2%253DC1.png)
![Chemical structure of ethyl 5-methyl-4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate - CSSB14948339813](/st/structure/200/b95604c52eaa4cbfaad6fbf4667996bb/CCOC%2528%253DO%2529C1%253DNN2CCN%2528C%2529C%2528%253DO%2529C2%253DC1.png)
![Chemical structure of tert-butyl 4'-oxo-5',6'-dihydro-4'H-spiro[cyclopropane-1,7'-pyrazolo[1,5-a]pyrazine]-2'-carboxylate - CSSB06263149308](/st/structure/200/6498e3422d997ed9d736155564dd0421/CC%2528C%2529%2528C%2529OC%2528%253DO%2529c1cc2C%2528%253DO%2529NCC3%2528CC3%2529n2n1.png)
![Chemical structure of ethyl 5-benzyl-4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate - CSSB00010233913](/st/structure/200/3b4b82a02dd620f7b57926ac86d8755a/CCOC%2528%253DO%2529C1%253DNN2CCN%2528CC3%253DCC%253DCC%253DC3%2529C%2528%253DO%2529C2%253DC1.png)
![Chemical structure of 2,5-di-tert-butyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2,5-dicarboxylate - CSSB06256083986](/st/structure/200/533c479b2d64b1664b69311d3fa1f121/CC%2528C%2529%2528C%2529OC%2528%253DO%2529N1CCn2nc%2528cc2C1%253DO%2529C%2528%253DO%2529OC%2528C%2529%2528C%2529C.png)
Similarity Analogs
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![Chemical structure of methyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate - CSSB00009884722](/st/structure/200/459699162d01778ae668327da6037d47/COC%2528%253DO%2529C1%253DNN2CCNC%2528%253DO%2529C2%253DC1.png)
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