Benzenesulfonic acid,4-[4-[2-[2,5-dimethoxy-4-[(2-sulfoethyl)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-,sodium salt (1:2)

CAS No: 140219-63-2

benzenesulfonic,dimethoxy,sulfoethyl,sulfonyl,phenyl,diazenyl,dihydro,methyl,pyrazol,sodium