Ethyl 2-fluoro-4-nitro-5-(trifluoromethoxy)pyridine-3-acetate
4-(Aminomethyl)-2-cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine
2-Cyano-4-iodo-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-(Aminomethyl)-5-cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine