4-Methyl-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Aminomethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Methyl-6-nitro-5-(trifluoromethoxy)pyridine-3-acetonitrile