0 0 0 0 0 0 0 2926.90 Nitrile-function compounds (excl. acrylonitrile, 1-cyanoguanidine ‘dicyandiamide’, fenproporex ‘inn’ and its salts, and methadone ‘inn’-intermediate ‘4-cyano-2-dimethylamino- 4,4 -diphenylbutane’) 5