发明人张德明,冯建国,周伟. "Method for the Synthesis of 3-(1H-indazol-5-ylformamido)propanoic acid" [P]. 中国发明专利, 专利号 CN 116406361 B, 授权公告日 2018-06-26.
发明人周伟,何建平,林芳. "A Process for Preparing High-Purity 3-(1H-indazol-5-ylformamido)propanoic acid" [P]. 中国发明专利, 专利号 CN 116076216 B, 授权公告日 2022-05-25.
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