39113-20-7 BRN 1495024 Benzenesulfonamide, N-(3,4-dihydro-3-oxo-2(1H)-isoquinolinyl)- Benzenesulfonamide, N-(3-oxo-1,2,3,4-tetrahydroisoquinolin-2-yl)- N-(3-Oxo-1,2,3,4-tetrahydroisoquinolin-2-yl)benzenesulfonamide