Explanatory notes
… and its salts 2939.69 - - Other - Other, of vegetal origin : 2939.72 - - Cocaine, ecgonine; salts, … oxygenated and deoxygenated alkaloid derivatives and, in general, any alkaloid derivative the structure of which is … , present in the bark of various plants of the Cinchona genus, particularly Cinchona officinalis , Cinchona calisaya …