2-Hydroxy-6-iodo-5-nitro-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine
4-Fluoro-2-methoxy-5-methyl-3-(trifluoromethoxy)pyridine
5-Fluoro-3-methoxy-2-methyl-4-(trifluoromethoxy)pyridine
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