5-(Difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-2-acetonitrile
6-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 3-(difluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-(difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate