Ethyl 3-(difluoromethyl)-6-hydroxy-2-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 3-(difluoromethyl)-5-hydroxy-4-(trifluoromethyl)pyridine-2-carboxylate
Ethyl 3-(difluoromethyl)-4-hydroxy-5-(trifluoromethyl)pyridine-2-carboxylate
6-(Aminomethyl)-3-(difluoromethyl)-4-iodo-2-methylpyridine