Rule C-105 105.1 - Halogen-containing compounds or radicals in which all hydrogen atoms, except those whose replacement would affect the nature of
characteristic groups present, have been replaced by halogen atoms of the same kind may be named by adding the prefixes "perfluoro-", "perchloro-", "perbromo-", or
"periodo-" to the name of the corresponding non-halogenated compound or radical. Parentheses are used to indicate the part of the molecule so substituted.
See Recommendations'93 R-5.3.1
Examples to Rule C-105.1
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