InChI=1S/C28H38O7/c1-13-10-19(34-24(32)14(13)2)15(3)17-11-22(31)27(33)18-12-23-28(35-23)21(30)7-6-20(29)26(28,5)16(18)8-9-25(17,27)4/h6-7,15-19,21-23,30-31,33H,8-12H2,1-5H3