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
Ethyl 5-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate