Ethyl 3-(difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-6-carboxylate
2-(Difluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-methanol
5-(Difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 3-(difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate