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