InChI=1/C19H25N3O3/c1-12-6-8-19(9-7-12)17(24)22(18(25)21-19)11-16(23)20-15-5-4-13(2)14(3)10-15/h4-5,10,12H,6-9,11H2,1-3H3,(H,20,23)(H,21,25)/f/h20-21H 9877EC829FE4994C