((p-Ethoxyphenyl)azo)ethylmalononitrile 1867-36-3 4-Aethoxy-phenyl-azo-aethyl-malonitril [German] F 2294 MALONONITRILE, ((p-ETHOXYPHENYL)AZO)ETHYL- Propanedinitrile, ((4-ethoxyphenyl)azo)ethyl-