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