InChI=1S/C21H22O13/c22-8-3-1-7(5-10(8)24)2-4-9(23)13-11(25)6-12(26)18(14(13)27)33-21-17(30)15(28)16(29)19(34-21)20(31)32/h1,3,5-6,15-17,19,21-22,24-30H,2,4H2,(H,31,32)