InChI=1/C19H17N3O3/c1-11-18(23)21-15-9-12(7-8-17(15)25-11)20-19(24)14-10-22(2)16-6-4-3-5-13(14)16/h3-11H,1-2H3,(H,20,24)(H,21,23)/t11-/m0/s1/f/h20-21H CBE4122014205583