2933 Heterocyclic compounds containing only nitrogen heteroatoms: HS code chinese tariffs

2933 Heterocyclic compounds containing only nitrogen heteroatoms: HS code chinese tariffs

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29331 -Compounds with a non fused pyrazole ring (whether hydrogenated or not) in their structure: -Compounds with a non fused pyrazole ring (whether hydrogenated or not) in their structure:

29332 -Compounds with a non condensed imidazole ring (whether hydrogenated or not) in their structure: -Compounds with a non condensed imidazole ring (whether hydrogenated or not) in their structure:

29333 -Compounds with a non fused pyridine ring (whether hydrogenated or not) in their structure: -Compounds with a non fused pyridine ring (whether hydrogenated or not) in their structure:

29334 -Compounds containing a quinoline or isoquinoline ring system (whether hydrogenated or not) structurally, but not further condensed: -Compounds containing a quinoline or isoquinoline ring system (whether hydrogenated or not) structurally, but not further condensed:

29335 -Compounds with a pyrimidine ring (whether hydrogenated or not) or piperazine ring in their structure: -Compounds with a pyrimidine ring (whether hydrogenated or not) or piperazine ring in their structure:

29336 -Compounds with a non fused triazine ring (whether hydrogenated or not) in their structure: -Compounds with a non fused triazine ring (whether hydrogenated or not) in their structure:

29337 -Lactam: -Lactam:

29339 -Other: -Other: