§ 721.5260 - 1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino]- 4-[[4-[[2-[2-(ethenylsulfonyl)ethoxy] ethyl]amino]- 6-fluoro-1,3,5-triazin-2-yl]amino]phenyl]azo], trisodium salt.  


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