5-Chloro-4-methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Chloro-6-nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Chloro-2-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
5-Chloro-4-methyl-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine