(organic chemistry) oxaloacetic acid

(organic chemistry) Any carboxylic acid obtained by oxidation of an octulose

(organic chemistry) A colorless crystalline substance obtained from potassium carboxide and from certain quinones, which forms brilliant red, yellow, and purple salts.

(organic chemistry) The acetyl derivative of hydroxamic acid CH₃-CO-NH-OH once used to treat kidney stones.

(organic chemistry, dated) An acid obtained from moonseed (Menispermum) or other plants of the same family.

(organic chemistry) The product of the acetylation of tannic acid/tannin, sometimes used as an intestinal astringent

plural of phosphonic acid

(2S)-2-amino-3-(3,5-dioxo-1,2,4-oxadiazolidin-2-yl)propanoic acid An agonist of some excitatory amino acid receptors

(organic chemistry) A product of tryptophan catabolism, quinoline-2-carboxylic acid, found in mammalian urine

(organic chemistry) An acid found in certain lichens; lecanoric acid.