InChI=1S/C16H19N3O5/c1-8(2)16(7-20)14(22)17-12(19-16)11-6-9(3)4-5-10(11)13(21)18-15(23)24/h4-6,8,20H,7H2,1-3H3,(H,18,21)(H,23,24)(H,17,19,22)