InChI=1/C18H16N6/c19-16-15-8-13(10-22-17(15)24-18(20)23-16)21-9-12-6-3-5-11-4-1-2-7-14(11)12/h1-8,10,21H,9H2,(H4,19,20,22,23,24)/f/h19-20H2 246A8CC1F8C3BB6E