2-Methyl-3-nitro-5-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Chloromethyl)-5-methoxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Methyl-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
4-(Chloromethyl)-3-methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine