InChI=1S/C21H22O12/c22-10-3-1-8(5-12(10)24)2-4-11(23)15-13(25)6-9(7-14(15)26)32-21-18(29)16(27)17(28)19(33-21)20(30)31/h1,3,5-7,16-19,21-22,24-29H,2,4H2,(H,30,31)