InChI=1/C14H12N4O3/c19-14-2-1-10(18(20)21)7-11(14)13-8-12(16-17-13)9-3-5-15-6-4-9/h1-7,12,16-17H,8H2/b13-11-/t12-/m1/s1 23FCD8917D3B6883