3808-20-6 4-Methyl-N-(2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl)benzenesulfonamide Benzenesulfonamide, 4-methyl-N-(2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl)- EINECS 223-277-1 N-(2-(4-Oxo-4H-3,1-benzoxazin-2-yl)phenyl)-p-toluenesulphonamide