InChI=1/C18H19N7O3/c1-3-4-9-25-13-14(24(2)18(28)21-16(13)27)20-17(25)23-22-12-10-7-5-6-8-11(10)19-15(12)26/h5-8H,3-4,9H2,1-2H3,(H,20,23)(H,19,22,26)(H,21,27,28)/p+1/fC18H20N7O3/h19,21-23H/q+1 616D7641DA2A7073