The molecular species with the SMILES representation of O=c1nc(-c2ccccc2)n(-c2ccccc2)c2ncccc12 is not an inhibitor of the EPH receptor A4.
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-689#not &NULL}{MUV-689__names__noun}.
O=c1nc(-c2ccccc2)n(-c2ccccc2)c2ncccc12
O=c1nc(-c2ccccc2)n(-c2ccccc2)c2ncccc12
1,2-diphenylpyrido[2,3-d]pyrimidin-4-one