InChI=1S/C27H44O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-25(28)20-24-21-26(29)23-27(30)22-24/h7-8,21-23,29-30H,2-6,9-20H2,1H3/b8-7+