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 39 Chlorpheniramine and isoniazid 29 33 39 10 Chlorpheniramine and isoniazid Commodity Code Description 29 33 39 10 00 Chlorpheniramine and isoniazid
