InChI=1/C16H19N3O4/c1-16(2,3)11-6-4-10(5-7-11)14-13(15(22)23)17-18-19(14)9-8-12(20)21/h4-7H,8-9H2,1-3H3,(H,20,21)(H,22,23)/p-2/fC16H17N3O4/q-2 52371973C59170B5