4-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 5-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
3-(Aminomethyl)-2-iodo-6-methoxy-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-6-iodo-4-methoxy-2-(trifluoromethoxy)pyridine