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 49 Other compounds containing in the structure a quinoline or isoquinoline ring-sys Commodity Code Description 29 33 49 00 Other compounds containing in the structure a quinoline or isoquinoline ring-sys 29 33 49 10 Dextromethorphan 29 33 49 90 Other
