Carboxylic Acid: Organic compounds characterized by having a carboxyl group (-COOH), which includes a carbonyl and hydroxyl group bonded to the same carbon atom.
Amine: An organic compound and functional group containing a basic nitrogen atom with a lone pair, derived from ammonia by replacement of one or more hydrogen atoms by alkyl or aryl groups.
Carbonyl Group: A functional group composed of a carbon atom double-bonded to an oxygen atom (C=O), central to many organic chemical reactions