Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 39 Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives. 29 39 72 Cocaine, ecgonine; salts, esters and other derivatives thereof Commodity Code Description 29 39 72 00 Cocaine, ecgonine; salts, esters and other derivatives thereof