173908-54-8 1H-Pyrrole-2-carboxylic acid, 1-[[5-chloro-2-(ethylamino)phenyl]sulfonyl]-, ethyl ester AIDS-043515 AIDS043515 Ethyl 1-[(2-Ethylamino-5-chlorophenyl)sulfonyl]-1H-pyrrole-2-carboxylate Pyrrolyl Phenyl Sulfone deriv.