InChI=1/C19H21N3O3/c1-13-5-3-6-14(2)18(13)25-12-17(23)21-15-7-4-8-16(11-15)22-10-9-20-19(22)24/h3-8,11H,9-10,12H2,1-2H3,(H,20,24)(H,21,23)/f/h20-21H 7D7694FD7B6CFF62