InChI=1/C16H14N4O2/c21-14-11-3-1-2-4-13(11)18-9-12(14)16-19-15(20-22-16)10-5-7-17-8-6-10/h1-9,15-16,19-20H,(H,18,21)/p+1/t15-,16+/m0/s1/fC16H15N4O2/h17-18H/q+1 8821015CB24D1A35