InChI=1/C16H13N3O2/c20-13-4-2-1-3-12(13)16-17-15(18-19-16)11-5-6-14-10(9-11)7-8-21-14/h1-6,9,20H,7-8H2,(H,17,18,19)/f/h18H B9295141B3C7E275