(6E)-6-(phenylhydrazinylidene)-1H-imidazo[1,2-b][1,2,4]triazol-5-one

(E)-1-(furan-2-yl)-N-(1H-1,2,4-triazol-5-yl)methanimine

ethyl 7-oxo-1H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate

6-(4-ethylphenyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine

5-ethyl-6-(4-ethylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine