InChI=1S/C12H16O13/c13-3(14)1-2(9(19)20)4(15)11(23)25-12-7(18)5(16)6(17)8(24-12)10(21)22/h2,4-8,12,15-18H,1H2,(H,13,14)(H,19,20)(H,21,22)