2,2'-((2-Methyl-4-((4-nitrophenyl)azo)phenyl)imino)bisethanol 2,2'-(2-Methyl-(4-((p-nitrophenyl)azo)phenyl)imino)diethanol 67674-25-3 EINECS 266-864-8 Ethanol, 2,2'-((2-methyl-4-((4-nitrophenyl)azo)phenyl)imino)bis-