InChI=1/C19H20N4O5/c24-19(15-10-17(22(25)26)12-18(11-15)23(27)28)20-16-6-8-21(9-7-16)13-14-4-2-1-3-5-14/h1-5,10-12,16H,6-9,13H2,(H,20,24)/p+1/fC19H21N4O5/h20-21H/q+1 C0739A9340D1EB38