发明人王建平,朱建伟,胡光. "Method for the Synthesis of Onapristone" [P]. 中国发明专利, 专利号 CN 109050361 A, 授权公告日 2018-06-19.
发明人沈红梅,冯建国,朱建伟. "A Process for Preparing High-Purity Onapristone" [P]. 中国发明专利, 专利号 CN 112791741 A, 授权公告日 2018-03-14.
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