2-Amino-3-cyano-5-(difluoromethyl)pyridine-4-carboxylic acid
Ethyl 6-(bromomethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-2-acetate
4-Chloro-3-fluoro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Methoxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride