InChI=1S/C22H24O7/c1-13(10-11-14-6-3-2-4-7-14)15-8-5-9-16(12-15)28-22-19(25)17(23)18(24)20(29-22)21(26)27/h2-9,12,17-20,22-25H,1,10-11H2,(H,26,27)