InChI=1S/C21H22O12/c22-9-3-1-8(2-4-11(24)15-12(25)5-10(23)6-13(15)26)14(7-9)32-21-18(29)16(27)17(28)19(33-21)20(30)31/h1,3,5-7,16-19,21-23,25-29H,2,4H2,(H,30,31)