The compound with the SMILES representation of O=c1[nH]n(-c2cccc3cccnc23)c(=O)c2ccccc12 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=c1[nH]n(-c2cccc3cccnc23)c(=O)c2ccccc12
O=c1[nH]n(-c2cccc3cccnc23)c(=O)c2ccccc12
3-quinolin-8-yl-2H-phthalazine-1,4-dione