InChI=1S/C12H16O13/c1-2(13)23-7(10(19)20)8(11(21)22)25-12-5(16)3(14)4(15)6(24-12)9(17)18/h3-8,12,14-16H,1H3,(H,17,18)(H,19,20)(H,21,22)