Epoprostenol sodium (Prostaglandin I2 sodium salt) is a short-acting vasodilator, a synthetic prostacyclin, and can be used to study pulmonary hypertension and congestive heart failure.

Increased levels of erucic acid (22:1n9) have been found in the red blood cell membranes of autistic subjects with developmental regression.

Itaconic acid also known as itaconate belongs to the class of organic compounds known as branched fatty acids. These are fatty acids containing a branched chain. Itaconic acid exists as a solid soluble (in water) and a weakly acidic compound (based on its pKa). Itaconic acid has been detected in multiple biofluids such as sweat and urine.