72797-11-6 Chromate(2-), (1-((2-hydroxy-4-nitrophenyl)azo)-2-naphthalenato)(2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-(4-sulfophenyl)-3H-pyrazol-3-onato(2-))-, dihydrogen, compd. with diethanolamine (1:2) Chromate(2-), (4-(4,5-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonato(3-))(1-((2-hydroxy-4-nitrophenyl)azo)-2-naphthalenolato(2-))-, dihydrogen, compd. with 2,2'-iminobis(ethanol) (1:2)