InChI=1S/C16H20N4O11/c21-2-5-10(30-16-8(24)6(22)7(23)11(31-16)15(27)28)9(25)14(29-5)20-12-4(1-19-20)13(26)18-3-17-12/h1,3,5-11,14,16,21-25H,2H2,(H,27,28)(H,17,18,26)