InChI=1/C15H14N6/c1-2-6-11-18-14-12(16-9-17-14)15-19-13(20-21(11)15)10-7-4-3-5-8-10/h3-5,7-9H,2,6H2,1H3,(H,16,17)/f/h17H E8CBD19EAFF4FD30