2-(Chloromethyl)-3-methoxy-6-nitro-5-(trifluoromethoxy)pyridine
2-Fluoro-5-methyl-3-nitro-6-(trifluoromethoxy)pyridine
5-Chloro-3-methoxypyridine-2-sulfonyl chloride
3-(3-Bromo-2-iodobenzoyl)pyridine
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