- B. Fundamental Heterocyclic Systems
- Specialist Heterocyclic Nomenclature
- B-1. Extension of Hantzsch-Widman System
B-2. Trivial and Semi-trivial Names
B-3. Fused Heterocyclic Systems
B-4. Replacement Nomenclature ("a" nomenclature)
B-6. Cationic Hetero Atoms
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