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