InChI=1/C19H20N4O5/c1-25-14-7-11(8-15(26-2)16(14)27-3)18(24)28-9-10-4-5-13-12(6-10)17(20)23-19(21)22-13/h4-8H,9H2,1-3H3,(H4,20,21,22,23)/p+1/fC19H21N4O5/h22H,20-21H2/q+1 F02F727947C33CEC