InChI=1/C19H22N4O/c1-24-18-7-3-2-6-17(18)23-11-9-22(10-12-23)14-15-13-21-19-16(15)5-4-8-20-19/h2-8,13H,9-12,14H2,1H3,(H,20,21)/p+1/fC19H23N4O/h21-22H/q+1 CFBA4E9BE33C5B68