InChI=1S/C25H28O6/c1-13(2)5-7-16-19(26)10-9-15(23(16)29)18-12-31-25-17(8-6-14(3)4)20(27)11-21(28)22(25)24(18)30/h5-6,9-11,18,26-29H,7-8,12H2,1-4H3