Material supply of compounds matching the shown core structure is desired. The Seeker has provided references for the synthesis of compounds in this class in the Detailed Description of the Challenge. The Seeker intends to award multiple Solvers for each of their qualifying submissions. Intellectual Property: In return for the Initial Transfer Fee of $100 or $500 per compound, you are expected to grant the Seeker only a non-exclusive license to test your compound(s) in their in-house assays and/or use the compound(s) to prepare other compounds for in-house testing. You can also earn an award for referring the winner of this Challenge.