Methyl 4-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
6-Iodo-3-methoxy-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 2-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-acetate
2-Iodo-3-methoxy-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride