Anandamide
Anandamide is an N-acylethanolamine 20:4 resulting from the formal condensation of carboxy group of arachidonic acid with the amino group of ethanolamine. It has a role as a neurotransmitter, a vasodilator agent and a human blood serum metabolite. It is an endocannabinoid and a N-acylethanolamine 20:4. It is functionally related to an arachidonic acid.