InChI=1/C19H23N5O2/c1-3-25-15-10-13(9-14-12-22-19(21)23-18(14)20)11-16(26-4-2)17(15)24-7-5-6-8-24/h5-8,10-12H,3-4,9H2,1-2H3,(H4,20,21,22,23)/p+1/fC19H24N5O2/h22H,20-21H2/q+1 FDFA38BE5AEB843C