83399-98-8 5-[[4-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]benzoyl]amino]-4-hydroxy-3-[(2-sulphophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt
83399-93-3 4-[[5-[(5-chloro-2-fluoro-6-methyl-4-pyrimidinyl)amino]-2-sulphophenyl]azo]-1-(2,5-disulphophenyl)-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylic acid, sodium salt
83400-04-8 7-[[4-fluoro-6-[(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(4-methoxy-2-sulphophenyl)azo]naphthalene-2-sulphonic acid, sodium salt
83399-94-4 6-[[6-[[(2,3-dichloroquinoxalin-6-yl)carbonyl]amino]-1-hydroxy-3,5-disulpho-2-naphthyl]azo]naphthalene-1,3,5-trisulphonic acid, potassium sodium salt