The chemical with the SMILES representation of CCCCN1C(=O)C2NN=C(C(=O)OCC)C2C1=O 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}.
CCCCN1C(=O)C2NN=C(C(=O)OCC)C2C1=O
CCCCN1C(=O)C2NN=C(C(=O)OCC)C2C1=O
ethyl 5-butyl-4,6-dioxo-3a,6a-dihydro-1H-pyrrolo[3,4-c]pyrazole-3-carboxylate