InChI=1S/C30H50O4/c1-18(9-12-25(32)27(4,5)33)19-13-15-28(6)20-10-11-22-26(2,3)24(31)14-16-29(22,7)21(20)17-23(28)30(19,8)34/h18-19,22-23,25,32-34H,9-17H2,1-8H3