The molecule with the SMILES O=C1NN(c2ccccc2)C(=O)/C1=C\c1cccc([N+](=O)[O-])c1 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\c1cccc([N+](=O)[O-])c1
O=C1NN(c2ccccc2)C(=O)/C1=C\c1cccc([N+](=O)[O-])c1
(4Z)-4-[(3-nitrophenyl)methylidene]-1-phenylpyrazolidine-3,5-dione