InChI=1/C20H19N3O3/c1-13-8-9-14(11-17(13)23-10-4-7-20(23)25)21-19(24)12-16-15-5-2-3-6-18(15)26-22-16/h2-3,5-6,8-9,11H,4,7,10,12H2,1H3,(H,21,24)/f/h21H CB6B02A8BDE6B3B1