Ethyl 6-(difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 2-(difluoromethyl)-5-methoxy-4-(trifluoromethyl)pyridine-3-acetate
Ethyl 2-(difluoromethyl)-5-methoxy-3-(trifluoromethyl)pyridine-4-acetate
6-(Chloromethyl)-3-(difluoromethyl)-4-methyl-2-nitropyridine