The molecule is a fatty acid methyl ester resulting from the formal condensation of the carboxy group of 12(S)-HPETE with methanol. It is a fatty acid methyl ester and a hydroperoxy fatty ester. It derives from a methyl arachidonate and a 12(S)-HPETE. It is an enantiomer of a 12(R)-HPETE methyl ester.
methyl (5Z,8Z,10E,12S,14Z)-12-hydroperoxyicosa-5,8,10,14-tetraenoate