InChI=1/C16H16N6/c1-16(2,3)13-8-12(19-20-13)14-18-15-10-6-4-5-7-11(10)17-9-22(15)21-14/h4-9H,1-3H3,(H,19,20)/f/h20H 87CD1B1C92A76355