The chemical with the SMILES representation of O=S(=O)(Nc1ccc(S(=O)(=O)Nc2cccc3ccccc23)cc1)c1ccccc1 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=S(=O)(Nc1ccc(S(=O)(=O)Nc2cccc3ccccc23)cc1)c1ccccc1
O=S(=O)(Nc1ccc(S(=O)(=O)Nc2cccc3ccccc23)cc1)c1ccccc1
4-(benzenesulfonamido)-N-(naphthalen-1-yl)benzenesulfonamide