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