InChI=1/C19H21N3O2/c1-12-9-17-15(10-16(12)20-18(23)11-22(2,3)4)13-7-5-6-8-14(13)19(24)21-17/h5-10H,11H2,1-4H3,(H-,20,21,23,24)/p+1/fC19H22N3O2/h20-21H/q+1 4F5DB151A8D16CB8