The chemical with the SMILES COC(=O)C(CC(C)C)NC(=O)c1ccc([N+](=O)[O-])c(C)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}.
COC(=O)C(CC(C)C)NC(=O)c1ccc([N+](=O)[O-])c(C)c1
COC(=O)C(CC(C)C)NC(=O)c1ccc([N+](=O)[O-])c(C)c1
methyl 4-methyl-2-[(3-methyl-4-nitrobenzoyl)amino]pentanoate