InChI=1/C20H21N3O2/c24-20(23-25)10-9-15-5-7-16(8-6-15)14-21-12-11-18-13-17-3-1-2-4-19(17)22-18/h1-10,13,21-22,25H,11-12,14H2,(H,23,24)/p+1/b10-9+/fC20H22N3O2/h21,23H/q+1 732D0189B6DDAE27