InChI=1S/C15H19N5O7/c1-8(21)17-15-18-13-12(14(24)19-15)16-6-20(13)7-27-11(4-25-9(2)22)5-26-10(3)23/h6,11H,4-5,7H2,1-3H3,(H2,17,18,19,21,24)