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