Hydrocarbon Ring Assemblies
Rule A-55. Radicals for Identical Ring Systems (Alternative in part to Rule A-56.1)
55.1 - Univalent and multivalent radicals derived from assemblies of identical hydrocarbon ring systems are named by adding "-yl", "-ylene" or "-diyl", "-triyl",
etc., to the name of the ring assembly.
See Recommendations'93 R-2.4.4
Examples to Rule A-55.1
Radicals for Non-benzenoid Ring Systems
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