83763-76-2 Dihydrogen 2-(4-((1-((o-anisidino)carbonyl)-2-oxopropyl)azo)-3-sulphonatophenyl)-4,7-disulphonato-1H-naphtho(1,2-d)triazolium, sodium salt, compound with 2,2',2''-nitrilotris(ethanol) EINECS 280-764-1