InChI=1/C18H21N5O2/c1-14-6-2-3-7-15(14)17(24)20-21-18(25)23-12-10-22(11-13-23)16-8-4-5-9-19-16/h2-9H,10-13H2,1H3,(H,20,24)(H,21,25)/p+1/fC18H22N5O2/h19-21H/q+1 7D485D528D0E651D