InChI=1S/C20H26O12/c1-8(7-21)3-4-9-12(6-11(22)10(5-13(23)24)17(9)30-2)31-20-16(27)14(25)15(26)18(32-20)19(28)29/h3,6,14-16,18,20-22,25-27H,4-5,7H2,1-2H3,(H,23,24)(H,28,29)