InChI=1S/C21H22O10/c22-12-5-1-10(2-6-12)3-7-13(23)11-4-8-14(24)15(9-11)30-21-18(27)16(25)17(26)19(31-21)20(28)29/h1-2,4-6,8-9,16-19,21-22,24-27H,3,7H2,(H,28,29)