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