InChI=1/C19H25N3O/c1-16(2)22(14-18-10-6-7-12-20-18)15-19(23)21-13-11-17-8-4-3-5-9-17/h3-10,12,16H,11,13-15H2,1-2H3,(H,21,23)/f/h21H 2D728E813D6B0443