InChI=1/C20H16N4/c1-2-7-15(8-3-1)13-22-20-17-10-4-5-11-18(17)23-19(24-20)16-9-6-12-21-14-16/h1-12,14H,13H2,(H,22,23,24)/f/h22H 9F19CD179091B4AE