CC(=C\C(=O)O)/C=C(\C)CC(C)/C=C/CC[C@H](O)[C@H](CO)C(=O)O	(2E,4E,7S,8E,12S,13S)-12-hydroxy-13-(hydroxymethyl)-3,5,7-trimethyltetradeca-2,4,8-trienedioic acid