发明人王建平,林芳,孙丽萍. "Method for the Synthesis of methyl 5-chlorosulfonylpyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113561270 B, 授权公告日 2022-03-27.
发明人林芳,杨光,陈志强. "A Process for Preparing High-Purity methyl 5-chlorosulfonylpyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110632169 B, 授权公告日 2021-08-03.
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