Note: In English and French the functional name and the radical are named as separate words. The radical name has adjectival significance; so in English the radical name precedes the name of the functional class (methyl alcohol) but in French it may follow it (alcool methylique) . In some other languages the name of the radical precedes that of the functional class name but the whole is written as one word (Methylalkohol).
Example to Rule C-21.1
Characteristic group, OH: Alcohol (functional class name) Radical, CH3: Methyl Complete name: Methyl alcohol
See Recommendations'93 R-188.8.131.52.2
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