发明人张德明,马晓峰,黄志刚. "Method for the Synthesis of 6-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113476844 A, 授权公告日 2015-03-13.
发明人张德明,郑宇鹏,钱学锋. "A Process for Preparing High-Purity 6-fluoro-2-oxo-3H-1,3-benzoxazole-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 117140068 A, 授权公告日 2020-10-13.
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