发明人刘建华,张德明,陈志强. "Method for the Synthesis of Difluoroacetic anhydride" [P]. 中国发明专利, 专利号 CN 110187011 A, 授权公告日 2017-04-28.
发明人刘建华,陈志强,韩伟. "A Process for Preparing High-Purity Difluoroacetic anhydride" [P]. 中国发明专利, 专利号 CN 108391654 B, 授权公告日 2022-02-10.
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