InChI=1S/C26H44O4/c1-2-3-4-5-6-7-8-9-15-20-29-25(27)23-18-13-14-19-24(23)26(28)30-21-22-16-11-10-12-17-22/h10-11,22-24H,2-9,12-21H2,1H3