4-(Bromomethyl)-2-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-carboxylic acid
4-(Bromomethyl)-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxylic acid
4-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-carboxylic acid
3-(Bromomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-carboxylic acid