Recommendations 1979

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-5. Radicals
B-6. Cationic Hetero Atoms

This HTML reproduction of Sections A, B and C of IUPAC "Blue Book" is as close as possible to the published version [see Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979. Copyright 1979 IUPAC.] If you need to cite these rules please quote this reference as their source.

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