Synonyms: 2,2'-Stilbenedisulfonicacid, 4,4'-bis[(4,6-diamino-s-triazin-2-yl)amino]-, disodium salt(6CI,7CI,8CI); Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[(4,6-diamino-1,3,5-triazin-2-yl)amino]-, disodiumsalt (9CI); Sodium4,4'-bis(2,4-diamino-6-s-triazinyl)diaminostilbene-2,2'-disulfonate