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Subheading 2934.30 · Section VI

2934.30

Heterocyclic compounds; containing in the structure, a phenothiazine ring-system (whether or not hydrogenated), not further fused

29 Organic chemicals
2934 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934.30 Containing in the structure, a phenothiazine ring-system (whether or not hydrogenated), not further fused

Other subheadings under 2934

Source: Harmonized System 2022 edition (World Customs Organization), from the UN Comtrade classification list.