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
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2933.11Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives
2933.19Heterocyclic 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
2933.21Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives
2933.29Heterocyclic 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
2933.31Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts
2933.32Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts
2933.33Heterocyclic 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)
2933.34Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives
2933.35Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 3-quinuclidinol
2933.36Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 4-anilino-N-phenethylpiperidine (ANPP)
2933.37Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)
2933.39Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3
2933.41Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, levorphanol (INN) and its salts
2933.49Heterocyclic 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
2933.52Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts
2933.54Heterocyclic 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
2933.55Heterocyclic 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
2933.59Heterocyclic 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
2933.61Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine
2933.69Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine
2933.71Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-caprolactam)
2933.72Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)
2933.79Heterocyclic compounds; lactams; other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)
2933.91Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)
2933.92Heterocyclic compounds; azinphos-methyl (ISO)
2933.99Heterocyclic compounds; n.e.c. in headings no. 2933