InChI=1S/C30H46O4/c1-17(2)18-10-13-30(25(33)34)15-14-28(6)19(23(18)30)8-9-22-27(5)16-20(31)24(32)26(3,4)21(27)11-12-29(22,28)7/h8,18,20-24,31-32H,1,9-16H2,2-7H3,(H,33,34)/t18-,20+,21?,22?,23?,24-,27-,28+,29+,30-/m0/s1