InChI=1/C20H21N3O2/c21-19(24)17-5-3-4-15-13-23(20(25)18(15)17)16-8-6-14(7-9-16)12-22-10-1-2-11-22/h3-9H,1-2,10-13H2,(H2,21,24)/p+1/fC20H22N3O2/h22H,21H2/q+1 7D76B712286771B9