Synonyms: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, compd. with 2,2',2''-nitrilotris(ethanol) (1:2);4,4'-Bis((4-anilino-6-(bis(2-hydroxyethyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulfonic acid, compd. with triethanolamine (1:2);Bis((6-anilino-4-(bis(2-hydroxyethyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonic acid, compound with 2,2',2''-nitrilotriethanol (1:2);2,2'-(E)-ethene-1,2-diylbis[5-({4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl}amino)benzenesulfonic acid] - 2,2',2''-nitrilotriethanol (1:2)