InChI=1S/C27H40O4/c1-16(13-17(2)29)18-9-10-26(6)23-21(30)14-20-19(7-8-22(31)24(20,3)4)27(23,15-28)12-11-25(18,26)5/h14-16,18-19,22-23,31H,7-13H2,1-6H3