InChI=1/C18H22N6O4/c1-23(2)12-17(25)20-14-6-3-5-13(9-14)11-19-18(26)22-21-15-7-4-8-16(10-15)24(27)28/h3-10,21H,11-12H2,1-2H3,(H,20,25)(H2,19,22,26)/p+1/fC18H23N6O4/h19-20,22-23H/q+1 E8CF7CBEDE87C17C