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