InChI=1/C13H14N6/c1-7(2)16-18-13-15-12-11(17-19-13)9-6-8(3)4-5-10(9)14-12/h4-6H,1-3H3,(H2,14,15,18,19)/f/h14,18H EEE60066D8B8C604