InChI=1/C19H22N4O/c24-14-6-12-21-19-22-17-10-5-4-9-16(17)18(23-19)20-13-11-15-7-2-1-3-8-15/h1-5,7-10,24H,6,11-14H2,(H2,20,21,22,23)/p+1/fC19H23N4O/h20-22H/q+1 A99B5ED9CC3A97B2