China · Heading· 6 subheadings· 0 codes
2934Nucleic acids and their salts; whether or not chemically defined; other heterocyclic compounds
Subheadings (6-digit WCO)
293410- Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure→293420- Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused→293430Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated) not further fused→293491Other→293492Other fentanyls and their derivatives→293499Other→