InChI=1S/C24H28O7/c1-12(2)6-7-14-19-17(11-16(26)23(14)30-5)31-18-10-15(25)13(8-9-24(3,4)29)21(27)20(18)22(19)28/h6,10-11,25-27,29H,7-9H2,1-5H3