The molecule is a dihydroxy monocarboxylic acid that is behenic acid (docosanoic acid) in which the pro-R hydrogens at positions 3 and 21 are replaced by hydroxy groups. It is an (omega-1)-hydroxy fatty acid, a 3-hydroxy carboxylic acid, a dihydroxy monocarboxylic acid and a long-chain fatty acid. It derives from a docosanoic acid.
(3R,21R)-3,21-dihydroxydocosanoic acid