InChI=1/C18H23N5O2/c1-13(24)15-10-16(20-12-15)18(25)21-11-14-3-4-19-17(9-14)23-7-5-22(2)6-8-23/h3-4,9-10,12,20H,5-8,11H2,1-2H3,(H,21,25)/p+1/fC18H24N5O2/h19,21H/q+1 81234721CD8D058D