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 53 Allobarbital (INN), amobarbita (INN), barbital (INN), butalbital (INN), butobarb Commodity Code Description 29 33 53 00 Allobarbital (INN), amobarbita (INN), barbital (INN), butalbital (INN), butobarb
