InChI=1S/C22H34O4/c1-2-20(23)21(24)18-16-14-12-10-8-6-4-3-5-7-9-11-13-15-17-19-22(25)26/h3-4,7-10,13-16,20-21,23-24H,2,5-6,11-12,17-19H2,1H3,(H,25,26)/b4-3-,9-7-,10-8-,15-13-,16-14-