Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 32 Heterocyclic compounds with oxygen hetero-atom(s) only 29 32 21 Coumarin, methyl coumarins and ethylcoumarins 29 32 21 00 Coumarin, methyl coumarins and ethylcoumarins Commodity Code Description 29 32 21 00 000 Coumarin, methyl coumarins and ethylcoumarins