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