InChI=1/C30H46O4/c1-17(2)18-10-13-30(25(33)34)15-14-27(5)19(23(18)30)8-9-22-28(27,6)12-11-21-26(3,4)24(32)20(16-31)29(21,22)7/h16,18-24,32H,1,8-15H2,2-7H3,(H,33,34)/t18-,19+,20+,21-,22-,23+,24+,27+,28+,29-,30-/s2