, 4-[[4-chloro-6-[(3-sulphophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-[[1-(2,5-dichloro-4-sulphophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]benzenesulphonic acid, sodium salt
, 4-[[4-chloro-6-[[4-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-5-hydroxy-6-[(2-sulphophenyl)azo]naphthalene-1,7-disulphonic acid, sodium salt