85631-07-8 Copper, (3-((4,5-dihydro-3-methyl-5-oxo-1-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)-1H-pyrazol-4-yl)azo)-4-hydroxybenzenesulfonato(2-))-, sodium salt Cuprate(2-), (3-((4,5-dihydro-3-methyl-5-oxo-1-(4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)-1H-pyrazol-4-yl)azo)-4-hydroxybenzenesulfonato(4-))-, sodium EINECS 287-954-3