2,2'-((4-((2,6-Dichloro-4-nitrophenyl)azo)phenyl)imino)bisethanol 61968-37-4 63467-07-2 Benzenamine, 4-(((2,6-dichloro-4-nitro)phenyl)azo)-N,N-bis(2-hydroxyethyl)- EINECS 264-220-0 Ethanol, 2,2'-((4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)imino)bis-