6-(4-Hexyl-phenyl)-imidazo[1,2-b][1,2,4]triazine

4-Oxy-1-(4-phenoxy-phenyl)-1H-pyrazin-2-one

6-chloro-3-ethylpyrazino<2,3-d>-1,2,4-triazolo<4,3-b>pyridazine

9-nitro-1,4,5,8-tetraazaphenanthrene

9-methoxy-1,4,5,8-tetraazaphenanthrene