4-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-6-carboxylic acid
2-Amino-3-fluoro-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Methyl-5-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
3-(Difluoromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-5-acetic acid