InChI=1/C19H21N3O3/c1-22(2)17-10-8-16(9-11-17)19(24)20-13-15-5-3-14(4-6-15)7-12-18(23)21-25/h3-12,25H,13H2,1-2H3,(H,20,24)(H,21,23)/b12-7+/f/h20-21H 89B6F5EE745B8A5D