InChI=1/C16H20N4O3/c21-16-17-12-5-1-2-6-13(12)20(16)8-7-15-18-14(19-23-15)10-11-4-3-9-22-11/h1-2,5-6,11,15H,3-4,7-10H2,(H,17,21)(H,18,19)/p+1/t11-,15+/m1/s1/fC16H21N4O3/h17-19H/q+1 DBF7FF274B3FD152