6-Amino-2-chloro-4-(difluoromethyl)-3-methoxypyridine
3-(Difluoromethyl)-5-nitro-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
3-(Difluoromethyl)-6-nitropyridine-2-carboxylic acid
4-(Difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine-2-sulfonyl chloride