amides of carboxylic acids, having the structure
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1326 (https://doi.org/10.1351/pac199567081307)
. The term is used as a suffix in systematic name formation to denote the group including its carbon atom.