发明人冯建国,钱学锋,张德明. "Method for the Synthesis of 1-[(4-methoxyphenyl)methyl]azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115580425 A, 授权公告日 2017-02-03.
发明人王建平,林芳,赵玉洁. "A Process for Preparing High-Purity 1-[(4-methoxyphenyl)methyl]azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114505064 A, 授权公告日 2018-08-27.
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