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) and zipeprol (INN); salts ..... 29 33 55 00 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts ..... Commodity Code Description 29 33 55 00 000 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts .....