Ethyl 6-(aminomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
3-(Difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 3-(fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-acetate
4-(Difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylic acid