InChI=1S/C22H22O12/c1-31-13-4-8(2-3-9(13)24)12-5-10(25)16-11(26)6-14(18(28)21(16)32-12)33-22-20(30)19(29)17(27)15(7-23)34-22/h2-6,15,17,19-20,22-24,26-30H,7H2,1H3/t15-,17-,19+,20-,22-/m1/s1