1 6DV N~5~-{2-[4-(2,4-difluorophenyl)piperazin-1-yl]ethyl}-2-(furan-2-yl)[1,2,4]triazolo[1,5-a][1,3,5]triazine-5,7-diamine 1.000 2 6DZ 2-(furan-2-yl)-N~5~-[2-(4-methylpiperazin-1-yl)ethyl][1,2,4]triazolo[1,5-a][1,3,5]triazine-5,7-diamine 0.727