Ethyl 4-(fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
5-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
4-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 3-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetate