((o-Chlorophenyl)azo)malononitrile 2-Chlor-phenyl-azo-malonitril [German] 2-Chlorophenylazomalononitrile 6017-25-0 BRN 0643220 F 2205 MALONONITRILE, ((o-CHLOROPHENYL)AZO)- NSC 28426 Propanedinitrile, ((2-chlorophenyl)azo)-