InChI=1/C19H18N4O5/c1-27-14-8-12-13(9-15(14)28-2)22-23(16(12)24)10-19(11-6-4-3-5-7-11)17(25)20-18(26)21-19/h3-9,22H,10H2,1-2H3,(H2,20,21,25,26)/p-1/t19-/m0/s1/fC19H17N4O5/h21H/q-1 3790629A95F912D3