The compound with the SMILES representation of c1cncc(-c2nc3cc4ccccc4cc3[nH]2)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}.
c1cncc(-c2nc3cc4ccccc4cc3[nH]2)c1
c1cncc(-c2nc3cc4ccccc4cc3[nH]2)c1
2-pyridin-3-yl-3H-benzo[f]benzimidazole