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