The molecule is an (omega-1)-hydroxy fatty acid that is henicosanoic acid in which a double bond with E configuration has been introduced at the 2-3 position and in which the pro-R hydrogen at position 20 has been replaced by a hydroxy group. It is an (omega-1)-hydroxy fatty acid, a long-chain fatty acid, an alpha,beta-unsaturated monocarboxylic acid and a hydroxy monounsaturated fatty acid.
(E,20R)-20-hydroxyhenicos-2-enoic acid