85338-13-2 Cuprate(2-), (4-(4-((4-((4-((4,5-dihydro-3-methyl-1-(2-methyl-4-sulfophenyl)-5-oxo-1H-pyrazol-4-yl)azo)-3-hydroxyphenyl)methyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-3-methylbenzenesulfonato(4-))-, sodium EINECS 286-685-9