4-(2-(3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido)-ethyl)-Benzenesulfonyl;3-ethyl-4-methyl-2-oxo-N-[2-(4-sulfamoylphenyl)ethyl]-2,5-dihydro-1H-pyrrole-1-carboxamide;1H-pyrrole-1-carboxamide, N-[2-[4-(aminosulfonyl)phenyl]ethyl]-3-ethyl-2,5-dihydro-4-methyl-2-oxo-;
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