3,3'-((4-((2,6-Dichloro-4-nitrophenyl)azo)phenyl)imino)bispropanenitrile 3,3'-((4-((2,6-Dichloro-4-nitrophenyl)azo)phenyl)imino)bispropiononitrile 3,3'-((p-(2,6-Dichloro-4-nitrophenyl)azo)phenylimino)dipropionitrile 67923-43-7 71767-67-4 EINECS 267-758-4 Propanenitrile, 3,3'-((4-((2,6-dichloro-4-nitrophenyl)azo)phenyl)imino)bis-