1H-Pyrazole-3-carboxylic acid, 1-(4-((4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino)-3-sulfophenyl)-4,5-dihydro-5-oxo-4-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-, 3-methyl ester, sodium salt 94157-78-5 EINECS 303-045-7