5-[[4,5-dihydro-3-methyl-5-oxo-1-[4-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]-1H-pyrazol-4-yl]azo]-2,4-dimethoxybenzenesulphonic acid, sodium salt

CAS No: 85567-13-1

dihydro,methyl,sulphooxy,ethyl,sulphonyl,phenyl,pyrazol,dimethoxybenzenesulphonic,sodium