52.2 - When a cyclic component carries more than one identical side chain, the name of the cyclic component is followed by di-, tri-, etc. (to indicate the number of such side chains), and then by the name of the acyclic component, and it is preceded by the locants for the side chains.
Example to Rule C-52.1
52.3 - When side chains of two or more different kinds are attached to a cyclic component, only the senior side chain (see Subsection C-0.13) is named by the conjunctive method. The remaining side chains are named as prefixes.
Example to Rule C-52.2
See Recommendations'93 R-1.2.4
Examples to Rule C-52.3
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