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