InChI=1S/C21H24O12/c1-28-10-6-14(31-15(22)7-10)13(5-9-2-3-11-12(4-9)30-8-29-11)32-21-18(25)16(23)17(24)19(33-21)20(26)27/h2-4,7,13-14,16-19,21,23-25H,5-6,8H2,1H3,(H,26,27)