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