InChI=1/C18H21N3O3/c22-17(15-10-11-24-12-15)20-21-18(23)19-16-8-6-14(7-9-16)13-4-2-1-3-5-13/h1-5,10-12,14,16H,6-9H2,(H,20,22)(H2,19,21,23)/f/h19-21H B7C9F2162F6885CA