InChI=1/C19H25N3O2/c1-4-8-20-18(23)11-22-17-10-13(3)12(2)9-16(17)21-15-7-5-6-14(15)19(22)24/h9-10,21H,4-8,11H2,1-3H3,(H,20,23)/f/h20H 3EF4C3A9A5C8F6D6