Methyl 2-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine-3-acetate
4-(Chloromethyl)-5-hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Methyl 2-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-4-acetate
4-(Chloromethyl)-3-hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine