Section 06 Products of the chemical or allied 29 Organic chemicals 29 32 Heterocyclic compounds with oxygen hetero-atom(s) only 29 32 99 Other heterocyclic compounds with oxygen hetero-atom(s) only, nes 29 32 99 00 Other heterocyclic compounds with oxygen hetero-atom(s) only, nes Commodity Code Description 29 32 99 00 00 Other heterocyclic compounds with oxygen hetero-atom(s) only, nes