InChI=1S/C29H44O4/c1-17(9-8-10-18(2)30)19-11-14-28(6)25-20(31)15-22-26(3,4)23(33)12-13-27(22,5)24(25)21(32)16-29(19,28)7/h17,19,22-23,33H,8-16H2,1-7H3/t17-,19-,22-,23-,27-,28+,29-/m0/s1