InChI=1/C16H19N3O4/c1-15(2)10-7-8-16(9-10,13(15)20)14(21)18-17-11-3-5-12(6-4-11)19(22)23/h3-6,10,17H,7-9H2,1-2H3,(H,18,21)/t10-,16-/m0/s1/f/h18H ADB92EA2945DE0B0