InChI=1S/C26H34O6/c1-18(2)14-17-21-26(4,32-21)24-19(3)15-16-20(25(24)30-5)31-23(29)13-11-9-7-6-8-10-12-22(27)28/h6-14,20-21,24-25H,3,15-17H2,1-2,4-5H3,(H,27,28)/b8-6+,9-7+,12-10+,13-11+/t20-,21-,24-,25-,26?/m1/s1