Methyl 4-amino-3-(difluoromethyl)pyridine-5-carboxylate
2-(Chloromethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetic acid
Methyl 4-amino-2-(difluoromethyl)pyridine-5-carboxylate
Ethyl 6-(chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate