4-Chloro-6-(difluoromethyl)-3-methoxypyridine-2-sulfonyl chloride
4-Chloro-2-iodo-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Cyano-3-(difluoromethyl)picolinoyl chloride
Ethyl 2,3-dimethoxy-6-(trifluoromethoxy)pyridine-4-carboxylate
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