The molecular species with the SMILES O=C1NN(c2ccccc2)C(=O)/C1=C/c1cccn1-c1ccc([N+](=O)[O-])cc1 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=C1NN(c2ccccc2)C(=O)/C1=C/c1cccn1-c1ccc([N+](=O)[O-])cc1
O=C1NN(c2ccccc2)C(=O)/C1=C/c1cccn1-c1ccc([N+](=O)[O-])cc1
(4E)-4-[[1-(4-nitrophenyl)pyrrol-2-yl]methylidene]-1-phenylpyrazolidine-3,5-dione