InChI=1/C20H15N5/c1-2-15-8-9-18-17(12-15)19(22-13-16-6-4-3-5-7-16)24-20(23-18)25-11-10-21-14-25/h1,3-12,14H,13H2,(H,22,23,24)/f/h22H DF84AEF9A52A8D1F