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