4-[4,5-Dihydro-3-methyl-4-[(4-sodiosulfophenyl)azo]-5-thioxo-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt
CAS No. 77958-63-5
4-[4,5-Dihydro-3-methyl-4-[(4-sodiosulfophenyl)azo]-5-thioxo-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt