InChI=1/C17H20N6O4/c1-22-9-10(16(26)23(2)17(22)27)7-8-13(24)19-21-15(25)14-11-5-3-4-6-12(11)18-20-14/h7-9H,3-6H2,1-2H3,(H,18,20)(H,19,24)(H,21,25)/b8-7+/f/h18-19,21H C04660E806766E6A