173908-53-7 1H-Pyrrole-2-carboxylic acid, 1-[[5-chloro-2-(methylamino)phenyl]sulfonyl]-, ethyl ester AIDS-043514 AIDS043514 Ethyl 1-[(2-Methylamino-5-chlorophenyl)sulfonyl]-1H-pyrrole-2-carboxylate;Pyrrolyl Phenyl Sulfone deriv.