(organic chemistry) A sulfonic acid obtained by dissolving indigo in sulfuric acid.

Alternative form of sulphindigotic acid

(organic chemistry) The mono-amide of oxalic acid and aniline - C₆H₅-NH-(CO)-CO₂H

(chemistry) A complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance.

glycoluric acid

(organic chemistry) An imide acid, C₁₂H₄N₂O₈, that turns dark blue on reduction.

(organic chemistry) An acid, C₁₁H₁₈O₂, of the propiolic acid series, obtained indirectly from undecylenic acid.

(organic chemistry) An organic compound found in some lichens.

plural of octulosonic acid

(organic chemistry) An oxidized form of pantoic acid, 4-hydroxy-3,3-dimethyl-2-oxobutanoic acid, that is an intermediate in the biosynthesis of pantothenic acid