The chemical with the SMILES O=C1CC(c2ccc([N+](=O)[O-])cc2)=NN1 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=C1CC(c2ccc([N+](=O)[O-])cc2)=NN1
O=C1CC(c2ccc([N+](=O)[O-])cc2)=NN1
3-(4-nitrophenyl)-1,4-dihydropyrazol-5-one