73455-11-5 | 1,3-Benzenedisulfonic acid, 4-[[5-(aminocarbonyl)-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl]azo]-6-[[4-[3-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]-6-chloro-1,3,5-triazin-2-yl]amino]-, trisodium salt | C27H23 Cl2 N13 O12 S3 . 3 Na |