InChI=1S/C12H14O12/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/h1,6-9,12,16-18H,2H2,(H,13,14)(H,19,20)(H,21,22)/b3-1-