InChI=1S/C23H26O6/c1-22(2,27)9-7-12-5-6-14(24)21-17(12)20(26)18-16(28-21)11-15-13(19(18)25)8-10-23(3,4)29-15/h5-6,11,24-25,27H,7-10H2,1-4H3