Non - homogeneous cyclic compounds. Hydantoin. Imidazole. Pyrimidine. PEPRAZINE. Melamine. Hixan Laktam. Clubzam. Methibrylon

Irregular cyclic compounds with a non-homogeneous nitrogen atom (s) only:
- Vehicles with a structure of a (not hydrogenated) pyrazole
- Venazone (Antibirin) and derivatives
- compounds containing an imidazole (though hydrogenated)
Hydantoin and its derivatives
- compounds consisting of a pyridine (though hydrogenated)
- Peridine and its salts
- Pibridine and its salts
(INN), Innedridine (INN), Innitrider (INN), Promizibam (INN), Davenoxin (INN), Evinoxellat (INN), Daybicannon (INN) ), Neptazusin (INN), Bethedrin (INN), Avenida, Pinyradin (INN), Trivibridine (INN)
- Vehicles containing a ring system of kenolin or isocinoline (but hydrogenated)
- Livurphanol (INN) and its salts
- compounds consisting of a pyramidine ring (whether hydrogenated) or a peprazine ring:
- Malonil Urea (Barbitoric acid) and salts
(INN), Innocarpital (INN), Pineappartable (INN), Pinobarbital (INN), Secobarpital (INN), Vinyl Petal (INN); salts of these products
- Other derivatives of mononale urea (barbituric acid); salts of these products
- Lobrazolam (INN), Myclochualon (INN), Methaqualone (INN), Zepprool (INN); salts of these products
- compounds containing a triazine (albeit hydrogenated) ring structure,
- Melamine
- Lactamat:
- 6 - Hixan Laktam (Epsilon - Capro Laktam)
- Clottezam (INN), Methiprilon (INN)
- Other Lactamates:
(INN), Klamasebam (INN), Cloridesboux (INN), Clonazepam (INN), Delorazepam (INN), Isibam (INN), Estazolam (INN) (INN), Midazolam (INN), Nemitazepam (INN), Nitrazepam (INN), Nordazepan (INN), New York (and vicinity) (INN), Oxazolam (INN), Pinniazepam (INN), Brazzaville (INN), Temazepam (INN), Tetrazepam (INN), Traulham (INN);