InChI=1S/C25H24O7/c1-12(2)5-6-14-22(30)21-19(29)11-20-13(7-8-25(3,4)32-20)24(21)31-23(14)15-9-17(27)18(28)10-16(15)26/h5,7-11,26-29H,6H2,1-4H3