2933 Heterocyclic compounds with nitrogen hetero-atom(s) only

2933.11 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives

• 2933.11.00 Phenazone (antipyrin) and its derivativesFree

2933.19 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other than henazone (antipyrin) and its derivatives

• 2933.19.00 OtherFree

2933.21 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives

• 2933.21.00 Hydantoin and its derivativesFree

2933.29 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives

• 2933.29.00 OtherFree

2933.31 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts

• 2933.31.00 Pyridine and its saltsFree

2933.32 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts

• 2933.32.00 Piperidine and its saltsFree

2933.33 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN)

• 2933.33.00 Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (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), remifentanil (INN) and trimeperidine (INN); salts thereofFree

2933.34 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives

• 2933.34.00 Other fentanyls and their derivativesFree

2933.35 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 3-quinuclidinol

• 2933.35.00 3-QuinuclidinolFree

2933.36 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 4-anilino-N-phenethylpiperidine (ANPP)

• 2933.36.00 4-Anilino-N-phenethylpiperidine (ANPP)Free

2933.37 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)

• 2933.37.00 N-Phenethyl-4-piperidone (NPP)Free

2933.39 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3

• Other
• 2933.39.10 3-Quinuclidinyl benzilateFree
• 2933.39.90 OtherFree

2933.41 Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, levorphanol (INN) and its salts

• 2933.41.00 Levorphanol (INN) and its saltsFree

2933.49 Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, other than levorphanol (INN) and its salts

• Other
• 2933.49.10 Polymerised 1, 2 dihydro-2, 2, 4-trimethyl-quinolineFree
• 2933.49.90 OtherFree

2933.52 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts

• 2933.52.00 Malonylurea (barbituric acid) and its saltsFree

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

• 2933.53.00 Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital (INN), cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); and salts thereofFree

2933.54 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53

• 2933.54.00 Other derivatives of malonylurea (barbituric acid); salts thereofFree

2933.55 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure; loprazolam (INN), mecloqualone (INN), methaqualone (INN), and zipeprol (INN); salts thereof

• 2933.55.00 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereofFree

2933.59 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, (other than malonylurea and its derivatives, loprazolam, mecloqualone, methaqualone, zipeprol, and salts thereof) n.e.c. in 2933.5

• Other
• 2933.59.10 Trimethoprim (INN)Free
• 2933.59.20 Tenoforvir disoproxil fumarateFree
• 2933.59.30 Piperazine citrate; piperazine hexahydrate; piperazine adipate10%
• 2933.59.80 Bromacil; O,O-Diethyl 0-4 methyl 2 isopropylpyrimid 6 phosphorothioateFree
• 2933.59.85 Other compounds of urea10%
• 2933.59.90 Other10%

2933.61 Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine

• 2933.61.00 MelamineFree

2933.69 Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine

• Other
• 2933.69.20 Cyanuric chlorideFree
• 2933.69.30 AtrazineFree
• 2933.69.40 SimazineFree
• 2933.69.90 Other10%

2933.71 Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-caprolactam)

• 2933.71.00 6-Hexanelactam (epsilon-caprolactam)Free

2933.72 Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)

• 2933.72.00 Clobazam (INN) and methyprylon (INN)Free

2933.79 Heterocyclic compounds; lactams; other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)

• 2933.79.00 Other lactamsFree

2933.91 Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)

• 2933.91.00 Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate (INN), 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 thereofFree

2933.92 Heterocyclic compounds; azinphos-methyl (ISO)

• 2933.92.00 Azinphos-methyl (ISO)Free

2933.99 Heterocyclic compounds; n.e.c. in headings no. 2933

• Other
• 2933.99.10 Containing by mass 7 per cent or more of benomylFree
• 2933.99.90 OtherFree