InChI=1S/C30H46O5/c1-18(25(34)35)14-20(32)15-19(16-31)21-8-10-28(5)23-7-6-22-26(2,3)24(33)9-11-29(22)17-30(23,29)13-12-27(21,28)4/h14,19-23,31-32H,6-13,15-17H2,1-5H3,(H,34,35)/b18-14-