Thiocarbonyl compounds
Aldehydes
Amides
Ketones
Carboxylic acids
Carbamates
Carboxylates
Carboxylic anhydrides | Carboxylate esters
Metal carbonyls
Carbamides
Ketenes
Hydroxamic acids
Organo-oxygen compounds
Carbonyl group
Thioesters | Biurets
Imides
Carboxylic acid halides |
