InChI=1S/C21H22O12/c22-9-6-12(25)15(13(26)7-9)10(23)3-1-8-2-4-14(11(24)5-8)32-21-18(29)16(27)17(28)19(33-21)20(30)31/h2,4-7,16-19,21-22,24-29H,1,3H2,(H,30,31)