85567-13-1 5-[[4,5-dihydro-3-methyl-5-oxo-1-[4-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]-1H-pyrazol-4-yl]azo]-2,4-dimethoxybenzenesulphonic acid, sodium salt
85567-12-0 dihydrogen 3-[methyl(2-sulphonatoethyl)amino]-6-[[3-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]amino]-9-(2-sulphonatophenyl)xanthylium , sodium salt