2900-72-3 3-(p-Chlorophenyl)-2-(p-nitrophenyl)acrylonitrile 4-Chlor-benzal-(4'-nitro-benzyl-cyanid) [German] ACRYLONITRILE, 3-(p-CHLOROPHENYL)-2-(p-NITROPHENYL)- Benzeneacetonitrile, alpha-((4-chlorophenyl)methylene)-4-nitro- F 2392