Disodium 5-chloro-6-(4,5-dihydro-4-((2-methoxy-5-((2-(sulphonatooxy)ethyl)sulphonyl)phenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)toluene-3-sulphonate

disodium 5-chloro-6-[4,5-dihydro-4-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]toluene-3-sulphonate

3-Chloro-4-[4,5-dihydro-4-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]-5-methylbenzenesulfonic acid disodium salt

Benzenesulfonic acid, p-((4-(5-((2-hydroxyethyl)sulfonyl)-2-methoxyphenyl)azo)-5-hydroxy-3-methylpyrazol-1-yl)-3-chloro-5-methyl-, hydrogen sulfate (ester), disodium salt