Notes: Docosaenoyl ethanolamide is a member of the family of fatty N-acyl ethanolamines collectively called endocannabinoids.{1202,1712,13153} This long-chain ethanolamine has been detected at relatively high levels in rat cerebrospinal fluid and has been used to examine the function of voltage-dependent Ca2+ channels in skeletal muscle membranes.{22439,13759}