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