InChI=1/C17H14N4O/c1-11-15-17(21(20-11)12-7-3-2-4-8-12)19-16(18-15)13-9-5-6-10-14(13)22/h2-10,22H,1H3,(H,18,19)/f/h19H DA4CC99820D39A2D