InChI=1/C14H21N3O4/c1-9(15-7-8-18)11-12(19)16-14(21)17(13(11)20)10-5-3-2-4-6-10/h10,15,18H,2-8H2,1H3,(H,16,19,21)/b11-9-/f/h16H AFE1AD008BEDC332