4-(Difluoromethyl)-2-methoxy-3-nitropyridine-5-sulfonyl chloride
3-(Difluoromethyl)-2-iodo-5-methylpyridine-4-acetic acid
5-(Bromomethyl)-2-chloro-3-(difluoromethyl)-4-iodopyridine
Methyl 3-(bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate