InChI=1S/C16H20N2O14/c19-2-4-6(21)9(24)12(30-4)18-3(1-5(20)17-16(18)29)14(28)32-15-10(25)7(22)8(23)11(31-15)13(26)27/h1,4,6-12,15,19,21-25H,2H2,(H,26,27)(H,17,20,29)