InChI=1/C15H23N3O4/c1-3-17(12-15(19)16-9-6-10-22-2)11-13-7-4-5-8-14(13)18(20)21/h4-5,7-8H,3,6,9-12H2,1-2H3,(H,16,19)/f/h16H 3BEF3F5C297F32C2