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