tert-butyl N-[5-[[2-(cyclopropylmethyl)-3-pyridinyl]amino]-3-[2-[(3S)-3-hydroxycyclopentyl]acetyl]pyrazolo[1,5-a]pyrimidin-7-yl]-N-methylcarbamate;1-[5-[[2-(cyclopropylmethyl)-3-pyridinyl]amino]-7-(methylamino)pyrazolo[1,5-a]pyrimidin-3-yl]-2-[(3S)-3-hydroxycyclopentyl]ethanone;2-cyclopropyloxypyridin-3-amine;5-[(2-cyclopropyloxy-3-pyridinyl)amino]-7-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid;ethyl 5-chloro-7-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]pyrazolo[1,5-a]pyrimidine-3-carboxylate;ethyl 5-[(2-cyclopropyloxy-3-pyridinyl)amino]-7-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]pyrazolo[1,5-a]pyrimidine-3-carboxylate;trans-(1S,3S)-3-aminochloranuidylcyclopentan-1-ol