Methyl 2-(difluoromethyl)-6-fluoro-3-nitropyridine-4-carboxylate
4-Chloro-3-methoxy-6-nitro-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Amino-3-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid