… Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. …
Explanatory notes
… 29.34 - Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. … fused 2934.30 - Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused - Other : 2934.91 - - Aminorex (INN), brotizolam (INN), clotiazepam (INN), …