R-1.1.3 Nonstandard bonding numbers

Principles of Organic Nomenclature

R-1.1.3 Nonstandard bonding numbers

A nonstandard bonding number of a neutral skeletal atom in a parent hydride is indicated by the symbol

, cited in conjunction with an appropriate locant.

Examples to R-1.1.3

Next:: R-1.1.4 Contiguous formal double bonds

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