InChI=1/C15H20N4O5/c1-10(18-8-6-13(20)7-9-18)14(21)17-15(22)16-11-2-4-12(5-3-11)19(23)24/h2-5,10,13,20H,6-9H2,1H3,(H2,16,17,21,22)/t10-/m1/s1/f/h16-17H D546C17E09B3CAEB