Ethyl 3-(difluoromethyl)-2-nitropyridine-5-carboxylate
3-Amino-2-(difluoromethyl)pyridine-4-acetic acid
Ethyl 3-(chloromethyl)-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-acetate
Ethyl 3-(chloromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate