1H-Pyrazole-3-carboxylic acid,4-[(4-amino-2,5-disulfophenyl)azo]-4,5-dihydro-5-oxo-1-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]-, tetrasodium salt

CAS No: 88467-66-7

pyrazole,carboxylic,amino,disulfophenyl,dihydro,sulfooxy,ethyl,sulfonyl,phenyl,tetrasodium