5-Nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxaldehyde
4-Nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxaldehyde
4-Nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxaldehyde
Methyl 2-methyl-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate