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