Compulsory Prefixes Rule C-10.1 10.1 - The characteristic groups listed in Table C-I are always cited by prefixes, as given in the Table, to the name of the
parent compound (for choice of the parent compound see Rule C-12). Multiplying affixes and locants are added as necessary (for numbering see Subsection C-0.15).
Example to Rule C-10.1
The complex prefix is 1,2-Dichloro-
Principal Group for Citation as Suffix
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