Labelled analogue of Fumaric Acid Monomethyl Ester, one of the most bioactive anti-psoriatic fumaric acid ester metabolite. Fumaric Acid Monomethyl Ester is potent nicotinic acid receptor agonist. Fumaric Acid Monomethyl Ester has also been shown to selectively stimulate of T helper 2 cytokine response.