InChI=1/C19H17N5/c1-2-6-15(7-3-1)10-11-21-18-16-8-4-5-9-17(16)22-19(23-18)24-13-12-20-14-24/h1-9,12-14H,10-11H2,(H,21,22,23)/f/h21H 972884B97FB718DF