Synonyms: 1,3,2-Dithiarsolane-4,5-dicarboxylicacid, 2-[4-[(4,6-diamino-1,3,5-triazin-2-yl)amino]phenyl]-, dipotassium salt(9CI); 1,3,2-Dithiarsolane-4,5-dicarboxylic acid,2-[p-[(4,6-diamino-s-triazin-2-yl)amino]phenyl]-, dipotassium salt (8CI);Succinic acid, 2,3-dimercapto-, cyclic p-[(4,6-diamino-s-triazin-2-yl)amino]benzenearsonite,potassium salt (7CI); Benzenearsonous acid,p-[(4,6-diamino-s-triazin-2-yl)amino]dithio-, cyclic ester with2,3-dimercaptosuccinic acid, dipotassium salt (8CI); Mel W; Melarsonylpotassium; Melarsonyl potassium salt; Potassium melarsonyl; RP 9955;Trimelarsan