InChI=1/C15H13N3O/c19-15-10-3-1-4-11-13(10)9(6-8-17-15)14(18-11)12-5-2-7-16-12/h1-5,7,16,18H,6,8H2,(H,17,19)/f/h17H D4C4B338F185A347