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