InChI=1S/C29H32O6/c1-16(2)8-7-9-17(3)10-11-19-24-22(14-20(30)28(19)33-6)34-23-15-21-18(12-13-29(4,5)35-21)26(31)25(23)27(24)32/h8,10,12-15,30-31H,7,9,11H2,1-6H3/b17-10+