InChI=1S/C26H28O6/c1-14(2)6-8-18-24-17(10-11-26(3,4)32-24)22(28)21-23(29)19(13-31-25(18)21)16-9-7-15(27)12-20(16)30-5/h6-7,9-12,19,27-28H,8,13H2,1-5H3/t19-/m0/s1