Ethyl 2-(bromomethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
5-(Difluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-(difluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-4-acetate
3-(Bromomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid