((p-Acetylphenyl)azo)malononitrile oxime 1867-47-6 4-Acetyl-phenyl-azo-malonitril-oxym [German] F 2321 MALONONITRILE, ((p-ACETYLPHENYL)AZO)-, OXIME Propanedinitrile, ((4-(1-(hydroxyimino)ethyl)phenyl)azo)-