(organic chemistry) A synthetic fluorosurfactant and persistent organic pollutant.

(chemistry) A chemical compound with a four-carbon fluorocarbon chain and a sulfonic acid functional group, used as a replacement for the persistent, toxic, and bioaccumulative perfluorooctanesulfonic acid.

(organic chemistry) An unsaturated organic acid, C₃H₂O₂.

(chemistry) A synthetic perfluorinated carboxylic acid and fluorosurfactant that is also an environmental contaminant.

(organic chemistry) A monocarboxylic unsaturated organic acid, the trans-form of angelic acid, found in croton oil and in several other natural products.

Ketoglutaric acid.

Any chloroacetic acid.

(chemistry) 2,5-dihydroxyphenylacetic acid.

Tetrodotoxin.

Margaric acid.