InChI=1S/C12H14O13/c13-2(1-12(11(21)22)7(25-12)9(19)20)23-10-5(16)3(14)4(15)6(24-10)8(17)18/h3-7,10,14-16H,1H2,(H,17,18)(H,19,20)(H,21,22)