InChI=1S/C22H22O12/c1-31-14-6-13-16(11(26)5-12(32-13)8-2-3-9(24)10(25)4-8)18(28)21(14)34-22-20(30)19(29)17(27)15(7-23)33-22/h2-6,15,17,19-20,22-25,27-30H,7H2,1H3/t15-,17-,19-,20+,22-/m0/s1