InChI=1S/C12H16O12/c13-4(14)1-3(10(19)20)2-5(15)23-12-8(18)6(16)7(17)9(24-12)11(21)22/h3,6-9,12,16-18H,1-2H2,(H,13,14)(H,19,20)(H,21,22)