InChI=1/C16H20N4O4/c21-15(17-10-5-7-11(8-6-10)20(23)24)9-14-16(22)19-13-4-2-1-3-12(13)18-14/h5-8,12-14,18H,1-4,9H2,(H,17,21)(H,19,22)/p+1/t12-,13+,14+/m1/s1/fC16H21N4O4/h17-19H/q+1 E07EA4310F0DB710