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