5-Hydroxy-2-iodo-3-nitro-6-(trifluoromethoxy)pyridine
3-Hydroxy-2-iodo-6-nitro-4-(trifluoromethoxy)pyridine
3-(Bromomethyl)-4-fluoro-6-methoxy-2-(trifluoromethoxy)pyridine
2-Hydroxy-6-iodo-5-nitro-3-(trifluoromethoxy)pyridine
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