Ethyl 4-chloro-5-(difluoromethyl)-3-fluoropyridine-2-carboxylate
Ethyl 4-chloro-3-(difluoromethyl)-2-fluoropyridine-6-carboxylate
Ethyl 4-chloro-6-(difluoromethyl)-3-fluoropyridine-2-carboxylate
3-(Aminomethyl)-2-chloro-4-(difluoromethyl)-5-hydroxypyridine