InChI=1S/C30H46O4/c1-18(15-19(31)16-26(2,3)34)25-20-9-10-23-28(6)13-12-24(33)27(4,5)22(28)11-14-29(23,7)30(20,8)17-21(25)32/h18,22-23,34H,9-17H2,1-8H3/t18-,22+,23+,28+,29+,30+/m1/s1