Ethyl 3-(aminomethyl)-2-iodo-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-amino-6-(bromomethyl)-5-(difluoromethyl)pyridine-3-carboxylate
6-(Difluoromethyl)-2-fluoropyridine-3-methanol
Methyl 2-(chloromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetate