InChI=1/C19H25N3O2/c1-4-13-10-17(18(23)21-12(13)2)20-11-15-9-14-7-5-6-8-16(14)22-19(15)24-3/h9-10,20H,4-8,11H2,1-3H3,(H,21,23)/f/h21H 258755110F8FEBE5