Ethyl 3-(difluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
5-(Difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 3-(difluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-methyl-5-nitro-2-(trifluoromethoxy)pyridine-4-acetate