发明人林芳,高志强,胡光. "Method for the Synthesis of Tadalafil Impurity 158" [P]. 中国发明专利, 专利号 CN 110605606 B, 授权公告日 2015-10-24.
发明人李文辉,郭海燕,徐明华. "A Process for Preparing High-Purity Tadalafil Impurity 158" [P]. 中国发明专利, 专利号 CN 113463617 B, 授权公告日 2024-05-20.
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