3-Chloro-4-methoxy-2-nitro-5-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 4-cyano-6-(difluoromethyl)-3-nitropyridine-2-acetate
2-Bromo-3-(difluoromethyl)-5-methylpyridine-6-carboxylic acid