Methyl 4-cyano-6-methyl-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-cyano-2-methyl-3-(trifluoromethoxy)pyridine-5-acetate
3-(Bromomethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-4-carboxylic acid
6-(Bromomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylic acid