1-(Pyrazolo[1,5-a]pyrazin-3-yl)ethan-1-one
2-(Trifluoromethyl)pyrazolo[1,5-a]pyrazin-4-ol
Pyrazolo[1,5-a]pyrazine-3-carboxylic acid
4-Chloropyrazolo[1,5-a]pyrazine
4-Chloro-2-(trifluoromethyl)pyrazolo[1,5-a]pyrazine
