Methyl 3-(difluoromethyl)-6-iodo-2-(trifluoromethyl)pyridine-4-acetate
Methyl 6-(difluoromethyl)-2-methoxy-4-methylpyridine-3-acetate
Methyl 3-(difluoromethyl)-5-iodo-2-(trifluoromethyl)pyridine-6-acetate
Methyl 6-(difluoromethyl)-4-methoxy-3-methylpyridine-2-acetate