发明人杨光,王建平,周伟. "Method for the Synthesis of Argatroban Impurity 109" [P]. 中国发明专利, 专利号 CN 108354776 B, 授权公告日 2017-12-27.
发明人黄志刚,何建平,林芳. "A Process for Preparing High-Purity Argatroban Impurity 109" [P]. 中国发明专利, 专利号 CN 108041229 A, 授权公告日 2019-11-10.
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