Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 33 Heterocyclic compounds with nitrogen hetero-atom(s) only. 29 33 91 Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN).. > see NNote CN293391 Commodity Code Description 29 33 91 00 Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN).. > see NNote CN293391