(organic chemistry) An acid, derived from piperine, that is an intermediate in the synthesis of other compounds such as piperonal.

(organic chemistry) The unstable sulfonic acid 2-sulfooxyethanesulfonic acid

Alternative form of gelseminic acid

(chemistry) An acid obtained by the decomposition of vulpinic acid.

(organic chemistry) An acid, C₁₅H₂₀O₄, distinct from santoninic acid, obtained from santonin.

(organic chemistry) An acid, C₁₅H₂₂O₅, produced by long exposure to sunlight of santonin in acetic acid solution.

(organic chemistry) An acid, C₈H₁₂O₄, homologous with terebic acid, and obtained by oxidation of oil of turpentine with chromic acid.

(chemistry) An acid, C₁₀H₁₈O₂, obtained from camphor.

(chemistry) An acid, C₁₀H₁₆O₄, obtained from camphor.

(chemistry) An acid, C₉H₁₂O₅, obtained from camphor.