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