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Related groups include acyl substituent groups, acid halides, anhydrides, hydrazides, amides, imides, nitriles, and aldehydes whose names are formed from the appropriate name stem as follows:

(1) acyl groups by changing the "-ic acid" or "-oic acid" ending to "-oyl" (except for those names in the table marked with a dagger (†), for which the "-ic acid" ending is changed to "-yl") (see also R-5.7.1).

(2) acid halides by adding the appropriate class name to the name of the acyl group (see also R-5.7.6).

(3) aldehydes and amides by replacing the "-ic acid" or "-oic acid" ending by "-aldehyde" or "amide", respectively (see also R-5.6.1 or R-, respectively).

(4) nitriles and hydrazides by replacing the "-ic acid" or "-oic acid" ending by "-onitrile" or "-ohydrazide", respectively (see also R-5.7.9 or R-, respectively).

(5) imides by replacing the "-ic acid" ending of a dicarboxylic acid by "-imide" (see also R-

This HTML reproduction is as close as possible to the published version [see IUPAC, Commission on Nomenclature of Organic Chemistry. A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications, Copyright 1993 IUPAC]. If you need to cite these rules please quote this reference as their source.

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