6-Chloro-4-(difluoromethyl)-2-hydroxypyridine-3-carboxylic acid
2-Chloro-3-(difluoromethyl)-5-methoxy-6-(trifluoromethyl)pyridine
5-Chloro-4-(chloromethyl)-3-(difluoromethyl)-2-methoxypyridine
2-Chloro-3-(difluoromethyl)-5-hydroxypyridine-4-carboxylic acid