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