发明人刘建华,杨光,李文辉. "Method for the Synthesis of (1r,4r)-Ethyl 4-(guanidinomethyl)cyclohexanecarboxylate" [P]. 中国发明专利, 专利号 CN 117783839 A, 授权公告日 2023-11-05.
发明人赵玉洁,冯建国,周伟. "A Process for Preparing High-Purity (1r,4r)-Ethyl 4-(guanidinomethyl)cyclohexanecarboxylate" [P]. 中国发明专利, 专利号 CN 111656075 A, 授权公告日 2015-08-23.
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