InChI=1S/C28H38O6/c1-15-14-28(34-22(32)16-10-8-7-9-11-16)17(18(15)29)20(30)26(5)13-12-25(4)19(21(31)24(25,2)3)27(26,6)23(28)33/h7-11,15,17-21,29-31H,12-14H2,1-6H3/t15-,17+,18-,19+,20+,21+,25-,26-,27+,28+/m0/s1