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