(organic chemistry) A thiocarboxylic acid derived from acetic acid

(organic chemistry) Any of several isomeric carboxylic acids, derived from hexanoic acid, having a triple bond

(organic chemistry) Any of three isomeric nitro derivatives of benzoic acid that are used in the manufacture of dyes

(organic chemistry) Any of several classes of lipid, containing amino acid residues, with or without glycerol and/or fatty acid residues, but lacking a phosphate group, that are present in bacteria and similar organisms

(organic chemistry) Any of five isomeric aliphatic carboxylic acids having ten carbon atoms and a branched structure formally derived from acetic acid by replacing each hydrogen atom of the methyl group by an alkyl group

(organic chemistry) A biodegradable thermoplastic made by polymerization of lactic acid residues.

(organic chemistry) Any carboxylic acid having a ketonic carbonyl group, but especially any α-ketocarboxylic acid having the carbonyl group adjacent to the carboxylic acid group

(organic chemistry) The acetylenic carboxylic acid 2-butynoic acid CH₃-C≡C-COOH

(inorganic chemistry) The unstable compound H-N=C=O that is metameric with cyanic acid; the imide of carbonic acid

(organic chemistry) Any of several isomeric carboxylic acids derived from a hexene