4'-((3-Methylamino-9-acridinyl)amino)methanesulfonanilide 5-22-11-00334 (Beilstein Handbook Reference) 66147-73-7 BRN 0454375 Methanesulfonanilide, 4'-(3-(methylamino)-9-acridinylamino)- N-(p-(9-(3-Methylaminoacridinyl)amino)phenyl)methanesulfonamide