Section 06 Products of the chemical or allied 29 Organic chemicals 29 22 Oxygen-function amino-compounds 29 22 31 - - Amfepramone (INN), methadone (INN) and normethadone (INN); salts thereof Commodity Code Description 29 22 31 00 - - Amfepramone (INN), methadone (INN) and normethadone (INN); salts thereof