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