Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 33 Heterocyclic compounds with nitrogen hetero-atom(s) only. 29 33 55 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) & zipeprol (INN);..., Commodity Code Description 29 33 55 00 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) & zipeprol (INN);...,