874617-31-9 Benzoic acid,2-[[2-(acetylamino)-4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methoxyphenyl]azo]-, disodium salt
874617-35-3 Benzoic acid,3-[[2-(acetylamino)-4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-5-methoxyphenyl]azo]-, disodium salt
874617-75-1 Benzoic acid,4-[[2-(acetylamino)-4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methoxyphenyl]azo]-, disodium salt