发明人张德明,孙丽萍,赵玉洁. "Method for the Synthesis of Pregnenolone Impurity 11" [P]. 中国发明专利, 专利号 CN 116214508 B, 授权公告日 2020-04-28.
发明人王建平,孙丽萍,周伟. "A Process for Preparing High-Purity Pregnenolone Impurity 11" [P]. 中国发明专利, 专利号 CN 113527237 A, 授权公告日 2025-12-04.
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