2-(Aminomethyl)-3-hydroxy-5-nitro-4-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-2-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
Ethyl 2-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine-6-acetate
2-(Fluoromethyl)-6-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine