Ethyl 2-(difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-6-acetate
Ethyl 2-(chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-5-acetate
Methyl 3-(difluoromethyl)-4-methoxy-6-(trifluoromethyl)pyridine-2-acetate
Ethyl 2-(chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-5-acetate