2-(Bromomethyl)-4-(difluoromethyl)-3-iodopyridine-5-carboxylic acid
2-Mercapto-6-(trifluoromethyl)-3-(3-(trifluoromethyl)phenyl)pyridine
5-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Chloro-5-phenylpyridine-2-acetic acid