发明人张德明,黄志刚,徐明华. "Method for the Synthesis of methyl 3-(chlorosulfonyl)-4-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109609145 B, 授权公告日 2025-12-14.
发明人徐明华,郭海燕,张德明. "A Process for Preparing High-Purity methyl 3-(chlorosulfonyl)-4-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116462543 A, 授权公告日 2018-12-28.
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