10128-55-9 2-Naphthalenesulfonamide, N-(2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl)- EINECS 233-360-4 N-(2-(4-Oxo-4H-3,1-benzoxazin-2-yl)phenyl)-2-naphthalenesulfonamide N-(2-(4-Oxo-4H-3,1-benzoxazin-2-yl)phenyl)naphthalene-2-sulphonamide