5-{1-[(4-methylphenyl)sulfonyl]pyrrolidin-2-yl}dihydrofuran-2(3H)-one InChI=1/C15H19NO4S/c1-11-4-6-12(7-5-11)21(18,19)16-10-2-3-13(16)14-8-9-15(17)20-14/h4-7,13-14H,2-3,8-10H2,1H pyrrolidine, 1-[(4-methylphenyl)sulfonyl]-2-(tetrahydro-5-oxo-2-furanyl)-