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