InChI=1S/C30H44O4/c1-25(2)20-8-11-30(7)23(28(20,5)10-9-21(25)32)19(31)14-17-18-15-26(3)16-22(34-24(26)33)27(18,4)12-13-29(17,30)6/h14,18,20-23,32H,8-13,15-16H2,1-7H3