InChI=1S/C21H28O12/c1-29-11-6-4-9(3-5-10-8-13(30-2)14(22)20(28)31-10)7-12(11)32-21-17(25)15(23)16(24)18(33-21)19(26)27/h4,6-7,10,13-18,21-25H,3,5,8H2,1-2H3,(H,26,27)