InChI=1/C20H23N3O2/c1-15-2-5-17(6-3-15)23-10-8-22(9-11-23)13-16-4-7-18-19(12-16)25-14-20(24)21-18/h2-7,12H,8-11,13-14H2,1H3,(H,21,24)/f/h21H 65ACB6FD1EE6A021