5-Hydroxy-4-methyl-3-nitro-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-hydroxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Hydroxy-4-methyl-2-nitro-5-(trifluoromethoxy)pyridine
Ethyl 3-iodo-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylate