Methyl 4-nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylate
3,4-Dimethyl-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylic acid
4,6-Dimethyl-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine