InChI=1S/C29H44O4/c1-17-9-14-29(24(32)33)19(15-17)18-7-8-21-26(4)12-11-22(30)25(2,3)20(26)10-13-27(21,5)28(18,6)16-23(29)31/h7,19-23,30-31H,1,8-16H2,2-6H3,(H,32,33)/t19-,20-,21+,22-,23-,26-,27+,28+,29+/m0/s1