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