InChI=1/C19H22N4O/c1-11-6-5-7-12(2)14(11)10-21-15-9-17(19(24)20-4)23-16-8-13(3)22-18(15)16/h5-9,22H,10H2,1-4H3,(H,20,24)(H,21,23)/p+1/fC19H23N4O/h20-21,23H/q+1 25BCC8DF9EE71175