5-Methyl-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
3-Methyl-4-nitro-5-(trifluoromethoxy)pyridine-2-sulfonamide
2-(Chloromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-acetic acid
3-(Fluoromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde