Methyl 2-(chloromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-5-acetate
Methyl 2-(fluoromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
4-(Difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-6-methanol
3-(Chloromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-2-acetic acid