InChI=1/C19H23N3O3/c1-13-5-4-6-16(10-13)18(23)21-22-19(24)20-7-8-25-17-11-14(2)9-15(3)12-17/h4-6,9-12H,7-8H2,1-3H3,(H,21,23)(H2,20,22,24)/f/h20-22H 9BC65A63420C86FD