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