114149-35-8 1H-Indene-5-butanoic acid, 2,3-dihydro-2-(((4-methylphenyl)sulfonyl)amino)-gamma-oxo- 2,3-Dihydro-2-(((4-methylphenyl)sulfonyl)amino)-gamma-oxo-1H-indene-5-butanoic acid 4-(2-p-Toluenesulphonamido-indan-5-yl)-4-oxobutyric acid