InChI=1/C19H21N3O3/c1-11(2)13-4-6-16-15(9-13)10-14(19(24)20-16)5-7-18(23)21-17-8-12(3)25-22-17/h4,6,8-11H,5,7H2,1-3H3,(H,20,24)(H,21,22,23)/f/h20-21H E7CC574198ACF2CD