InChI=1S/C29H46O2/c1-7-19(2)8-9-20(3)25-12-13-26-24-11-10-22-18-23(31-21(4)30)14-16-28(22,5)27(24)15-17-29(25,26)6/h8-9,11,19-20,22-23,25-27H,7,10,12-18H2,1-6H3/b9-8+/t19?,20-,22?,23-,25?,26?,27?,28-,29+/m1/s1