InChI=1/C20H21N3O3/c1-26-16-6-4-5-14(13-16)19(24)22-11-9-15(10-12-22)23-18-8-3-2-7-17(18)21-20(23)25/h2-8,13,15H,9-12H2,1H3,(H,21,25)/f/h21H CCF3441666E5CF86