InChI=1S/C16H20N4O11/c21-1-4-6(22)10(30-16-9(25)7(23)8(24)11(31-16)15(27)28)14(29-4)20-3-19-5-12(20)17-2-18-13(5)26/h2-4,6-11,14,16,21-25H,1H2,(H,27,28)(H,17,18,26)