InChI=1/C19H22N6O3/c1-19(12-7-13-28-16-11-6-5-10-15(16)25(26)27)23-17(20)22-18(21)24(19)14-8-3-2-4-9-14/h2-6,8-11H,7,12-13H2,1H3,(H4,20,21,22,23)/p+1/t19-/m1/s1/fC19H23N6O3/h23H,20-21H2/q+1 DF95E2AE9ED7E230