InChI=1S/C28H38O8/c1-15-16(14-29)12-20(35-22(15)31)25(4,32)28(34)11-10-26(33)18-13-21-27(36-21)8-5-6-19(30)24(27,3)17(18)7-9-23(26,28)2/h5-6,17-18,20-21,29,32-34H,7-14H2,1-4H3