The procedures of radicofunctional nomenclature are identical with those of substitutive nomenclature except that suffixes are never used. Instead of the principal group being named as suffix, the functional class name (characteristic activity) of the compound is expressed as one word and the remainder of the molecule as another.
Acids and their derivatives, aldehydes and their derivatives, and amines are named as described in Subsection C-0.11 for substitutive nomenclature.
See Recommendations'93 R-188.8.131.52.2
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