organic compound - any compound of carbon and another element or a radical

acrylonitrile, propenonitrile, vinyl cyanide - a colorless liquid unsaturated nitrile made from propene

sodium cyanide - a white poisonous salt (NaCN) used in electroplating

potassium cyanide - a poisonous salt (KCN) used in electroplating and in photography

salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)