InChI=1S/C23H24O6/c1-11(2)5-7-13-15(24)9-18-20(22(13)27)23(28)19-14(8-6-12(3)4)21(26)16(25)10-17(19)29-18/h5-6,9-10,24-27H,7-8H2,1-4H3