The molecule is a trienoic fatty acid that consists of (5Z,8E,10E)-heptadeca-5,8,10-trienoic acid bearing an additional 12S-hydroxy substituent. It is a conjugate acid of a 12(S)-HHTrE(1-).
(5Z,8E,10E,12S)-12-hydroxyheptadeca-5,8,10-trienoic acid