83400-20-8 3-[[4-[7-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]-5,9-disulpho-2H-naphtho[1,2-d]triazol-2-yl]-2-sulphophenyl]azo]-1,2-dihydro-6-hydroxy-2-oxoisonicotinic acid, sodium salt
83400-23-1 7-[[4-[[5-chloro-6-methyl-2-(methylsulphonyl)-4-pyrimidinyl]amino]phenyl]azo]naphthalene-1,3,5-trisulphonic acid, sodium salt