3-(Aminomethyl)-5-chloro-6-(difluoromethyl)-2-hydroxypyridine
5-Chloro-2-(chloromethyl)-3-(difluoromethyl)-6-hydroxypyridine
4-Chloro-3-(chloromethyl)-6-(difluoromethyl)-2-hydroxypyridine
4-Chloro-3-(chloromethyl)-2-(difluoromethyl)-6-hydroxypyridine