3-Chloro-5-(difluoromethyl)-2-fluoropyridine-6-carboxylic acid
3-(Aminomethyl)-5-chloro-4-(difluoromethyl)-2-hydroxypyridine
5-Chloro-4-(difluoromethyl)-2-fluoropyridine-3-carboxylic acid
5-Chloro-4-(difluoromethyl)-3-fluoropyridine-2-carboxylic acid