InChI=1/C19H21N3O3/c1-22-10-2-4-14-12-15(6-8-17(14)22)21-19(24)13-20-18(23)9-7-16-5-3-11-25-16/h3,5-9,11-12H,2,4,10,13H2,1H3,(H,20,23)(H,21,24)/b9-7+/f/h20-21H DDE7D213E08FC59F