InChI=1/C20H21N3O2/c1-14-7-8-18-15(12-14)5-3-10-23(18)19(24)16-4-2-6-17(13-16)22-11-9-21-20(22)25/h2,4,6-8,12-13H,3,5,9-11H2,1H3,(H,21,25)/f/h21H 3C82071F874D1799