InChI=1S/C29H38O5/c1-2-3-4-5-6-7-8-9-10-14-22-32-28(30)20-21-29(31)33-24-25-16-15-19-27(23-25)34-26-17-12-11-13-18-26/h10-19,23H,2-9,20-22,24H2,1H3/b14-10+