4-[[4-[[2,4-dihydroxy-5-[(4-sulphophenyl)azo]phenyl]azo][1,1-biphenyl]-4-yl]azo]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid, sodium salt
CAS No. 94199-53-8
4-[[4-[[2,4-dihydroxy-5-[(4-sulphophenyl)azo]phenyl]azo][1,1-biphenyl]-4-yl]azo]-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid, sodium salt;4-[[4-[[2,4-Dihydroxy-5-[(4-sulfophenyl)azo]phenyl]azo][1,1-biphenyl]-4-yl]azo]-4,5-dihydro-5-