InChI=1/C19H23N3O3/c1-13-7-9-17(10-8-13)25-12-14(2)21-19(24)22-16-6-4-5-15(11-16)18(23)20-3/h4-11,14H,12H2,1-3H3,(H,20,23)(H2,21,22,24)/t14-/m0/s1/f/h20-22H 36F3768E84C89252