Different rules for compound selection emerge as scientists try to limit the number of molecules for screening. A good starting point might be focusing on the lead-like chemical space: lead-like molecules can be potent hits as well as have a good development profile.

Our three new Lead-Like Diversity Sets were created to cover the same chemical space, but they consist of different compounds and vary in price. We did this to help research projects with limited budgets to have access to the best compound choices on the market. We also specially assembled them to drastically decrease the time of order procession and delivery.

More details are provided in the PDF file, attached to the sets.
If you are interested, the link to the sets is provided  - https://chem-space.com/compounds/lead-like-compounds