3-Fluoro-5-(pyridin-4-yl)benzene-1-sulfonyl chloride
4-Amino-3-fluoro-2-(trifluoromethoxy)pyridine-5-acetonitrile
4-(Bromomethyl)-3-chloro-5-(difluoromethyl)pyridine-2-carboxylic acid
Ethyl 4-(aminomethyl)-2-chloro-6-(difluoromethyl)pyridine-3-acetate