InChI=1S/C21H24O10/c1-29-14-9-10(6-7-11-4-2-3-5-12(11)22)8-13(23)18(14)30-21-17(26)15(24)16(25)19(31-21)20(27)28/h2-5,8-9,15-17,19,21-26H,6-7H2,1H3,(H,27,28)