发明人李文辉,徐明华,钱学锋. "Method for the Synthesis of Finerenone Impurity 97" [P]. 中国发明专利, 专利号 CN 116079867 A, 授权公告日 2020-01-08.
发明人胡光,杨光,王建平. "A Process for Preparing High-Purity Finerenone Impurity 97" [P]. 中国发明专利, 专利号 CN 111921210 B, 授权公告日 2019-09-05.
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