The chemical compound with the SMILES representation of O=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O 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=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
O=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
3-naphthalen-1-yl-1-hydroxy-4-oxidoquinoxalin-4-ium-2-one