Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 33 Heterocyclic compounds with nitrogen hetero-atom(s) only; 29 33 41 Levorphanol (INN) and its salts 29 33 41 00 Levorphanol (INN) and its salts Commodity Code Description 29 33 41 00 000 Levorphanol (INN) and its salts
