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