InChI=1/C19H17N5/c1-13-11-21-22-18(13)15-5-3-14(4-6-15)17-12-24(2)23-19(17)16-7-9-20-10-8-16/h3-12H,1-2H3,(H,21,22)/f/h21H 97FD00735DE34297