Suffixes for Specialist Nomenclature of Heterocyclic Systems

TABLE 1.4 Suffixes for Specialist Nomenclature of Heterocyclic Systems 

Number of ring members Rings containing nitrogen Rings containing no nitrogen  

TABLE 1.5 Trivial Names of Heterocyclic Systems Suitable for Use in Fusion Names Listed in order of increasing priority as senior ring system 

Asterisk after a compound denotes exception to systematic numbering. 

Structure Parent name Radical name Structure Parent name Radical name 

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