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