4,5-Dihydro-5-oxo-4-[[4-[[[3-[[2-(sodiosulfooxy)ethyl]sulfonyl]phenyl]amino]carbonyl]phenyl]azo]-1-(4-sodiosulfophenyl)-1H-pyrazole-3-carboxylic acid sodium salt
4,5-Dihydro-5-oxo-4-[[4-[[[3-[[2-(sodiosulfooxy)ethyl]sulfonyl]phenyl]amino]carbonyl]phenyl]azo]-1-(4-sodiosulfophenyl)-1H-pyrazole-3-carboxylic acid sodium salt - Names and Identifiers