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