InChI=1/C16H20N4O5/c1-10-14(8-13(19(22)23)9-15(10)20(24)25)16(21)17-11-4-6-18(7-5-11)12-2-3-12/h8-9,11-12H,2-7H2,1H3,(H,17,21)/p+1/fC16H21N4O5/h17-18H/q+1 71BF5A0D4C951637