InChI=1S/C16H20N4O11/c21-6-4(1-29-16-10(25)7(22)8(23)11(31-16)15(27)28)30-14(9(6)24)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)