(chemistry) The hypothetical acid HIO₂ analogous to chlorous acid

(biochemistry) A 9-carbon atom amino carbohydrate, 5-amino-3,5-dideoxy- D-glycero-D-galacto-non-2-ulosonic acid, many of whose derivatives are found in nature, mostly as glycoproteins and gangliosides

(biochemistry) Any of a group of amino carbohydrates that are substituted forms of neuraminic acid; they are components of glycoproteins and mucoproteins

(biochemistry) A heterocyclic dicarboxylic acid isolated from certain red algae; used as an anthelmintic in Japan.

(chemistry) A sesquiterpenoid acid, obtained from the water pepper plant, once used as a stimulant or diuretic

(organic chemistry) formic acid

(organic chemistry) A carboxylic acid derived from phenanthrene extracted from plants of the family Aristolochiaceae; though sometimes used as a herbal remedy, it is a rodent carcinogen and can cause endemic nephropathy in humans.

plural of acid anhydride

(organic chemistry) Any of a class of polycarboxylic acids that have a backbone containing several amino groups; they form chelation complexes with metals; the most common example is ethylenediaminetetracetic acid

(organic chemistry) An oxylipin lipid, containing a cyclopentanone ring, related to the prostaglandins; its esters, the jasmonates, are responsible for the smell of jasmine and act as plant hormones