Synonyms: 2,2'-Stilbenedisulfonicacid, 4,4'-bis[[4-anilino-6-(methylamino)-s-triazin-2-yl]amino]-, disodium salt(7CI,8CI); Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4-(methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-,disodium salt (9CI); Blankophor HRS; Blankophor RKH; Blankophor RKH 766; C.I.508150; C.I. Fluorescent Brightener 205; Disodium4,4'-bis(2-anilino-4-methylamino-1,3,5-triazin-6-ylamino)-2,2'-stilbenedisulfonate;Disodium4,4'-bis(4-anilino-6-(methylamino)-s-triazin-2-ylamino)stilbene-2,2'-disulfonate;Disodium4,4'-bis[[(2-anilino-4-(methylamino)-s-triazin-6-yl]amino]stilbene-2,2'-disulfonate;Disodium4,4'-bis[[6-anilino-4-(methylamino)-2-triazinyl]amino]-2,2'-disulfostilbene;Fluorescent Brightener 205; Sodium 4,4'-bis(2-anilino-4-methylamino-6-amino-1,3,5-triazinyl)stilbene-2,2'-disulfonate