Methyl 4-fluoro-5-nitro-2-(trifluoromethoxy)pyridine-3-acetate
3-(Aminomethyl)-4-cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine
Methyl 4-fluoro-3-nitro-5-(trifluoromethoxy)pyridine-2-acetate
2-Fluoro-4-nitro-3-(trifluoromethoxy)pyridine-5-carboxylic acid