2-(Bromomethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-(Bromomethyl)-6-methyl-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Bromomethyl)-3-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Bromomethyl)-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylic acid