2-Methoxy-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-(Aminomethyl)-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
Methyl 3-(fluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine-4-acetate
Methyl 6-(fluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-acetate