5-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 6-iodo-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-iodo-3-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylate
3-(Difluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid