InChI=1S/C19H25N3O4/c23-17(21-15(19(25)26)12-13-6-2-1-3-7-13)16-9-5-11-22(16)18(24)14-8-4-10-20-14/h1-3,6-7,14-16,20H,4-5,8-12H2,(H,21,23)(H,25,26)