2-[[[4,5-Dihydro-3-methyl-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazol]-4-yl]azo]-4-sulfobenzoic acid
CAS No. 68957-71-1
2-[[[4,5-Dihydro-3-methyl-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazol]-4-yl]azo]-4-sulfobenzoic acid
BN 227 72731-33-0