6-(Difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-2-carboxylic acid
4-(Chloromethyl)-3-(difluoromethyl)-2-methoxypyridine-5-acetic acid
2-(Difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-6-carboxylic acid
4-(Chloromethyl)-2-(difluoromethyl)-6-methoxypyridine-3-acetic acid