Also Called: 1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino] -4-[[4-fluoro-6-[(2-methylphenyl)amino]-1,3,5-triazin -2-yl]amino]phenyl]azo]-, trisodium salt;1,3,6-Naphthalenetrisulfonic acid, 7-[2-[2-[(aminocarbonyl)amino]-4-[[4-fluoro-6-[(2-methylphenyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]diazenyl]-, sodium salt (1:3);1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino]-4-[[4-fluoro-6-[(2-methylphenyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-, trisodium salt