InChI=1/C16H13N3O2/c1-10-12(9-17)8-11(16(20)18-10)6-7-15-19-13-4-2-3-5-14(13)21-15/h2-5,8H,6-7H2,1H3,(H,18,20)/f/h18H 925C0F600E3B78D1