Synonyms: 5-[[4-[bis[2-[(2-chloroethyl)sulphonyl]ethyl]amino]-6-chloro-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulphophenyl)azo]naphthalene-2,7-disulphonic acid, potassium sodium salt;2,7-Naphthalenedisulfonic acid, 5-[[4-[bis[2-[(2-chloroethyl) sulfonyl]ethyl]amino]-6-chloro-1,3,5-triazin-2 -yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-, potassium sodium salt;5-[[4-[Bis[2-[(2-chloroethyl)sulfonyl]ethyl]amino]-6-chloro-1,3,5-triazine-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid/potassium/sodium,(1:x:x) salt