InChI=1/C16H17N3O4/c1-9-10(2)18-19(3)15(21)13(9)16(22)23-8-11-4-6-12(7-5-11)14(17)20/h4-7H,8H2,1-3H3,(H2,17,20)/f/h17H2 D2B8C388189BE349