Harmonized System
Section VI
PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES
Chapter 29
Organic chemicals
Heading 2933
Heterocyclic compounds with nitrogen hetero-atom(s) only.
2933.1
- Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure :
2933.11
-- Phenazone (antipyrin) and its derivatives
2933.19
-- Other
2933.2
- Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure :
2933.21
-- Hydantoin and its derivatives
2933.29
-- Other
2933.3
- Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure :
2933.31
-- Pyridine and its salts
2933.32
-- Piperidine and its salts
2933.33
-- Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN) and trimeperidine (INN); salts thereof
2933.39
-- Other
2933.4
- Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused :
2933.41
-- Levorphanol (INN) and its salts
2933.49
-- Other
2933.5
- Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure :
2933.52
-- Malonylurea (barbituric acid) and its salts
2933.53
-- Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
2933.54
-- Other derivatives of malonylurea (barbituric acid); salts thereof
2933.55
-- Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof
2933.59
-- Other
2933.6
- Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure :
2933.61
-- Melamine
2933.69
-- Other
2933.7
- Lactams :
2933.71
-- 6-Hexanelactam (epsilon-caprolactam)
2933.72
-- Clobazam (INN) and methyprylon (INN)
2933.79
-- Other lactams
2933.9
- Other :
2933.91
-- Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), flurazepam (INN), halazepam (INN), lorazepam (INN), lormetazepam (INN), mazindol (INN), medazepam (INN), midazolam (INN), nimetazepam (INN), nitrazepam (INN), nordazepam (INN), oxazepam (INN), pinazepam (INN), prazepam (INN), pyrovalerone (INN), temazepam (INN), tetrazepam (INN) and triazolam (INN); salts thereof
2933.92
-- Azinphos-methyl (ISO)
2933.99