InChI=1/C14H21N3O4/c1-10(2)15-14(18)9-16(3)8-11-5-6-13(21-4)12(7-11)17(19)20/h5-7,10H,8-9H2,1-4H3,(H,15,18)/f/h15H 2823A585A214D069