发明人李文辉,沈红梅,杨光. "一种钙三醇EP杂质A的合成方法" [P]. 中国发明专利, 专利号 CN 112634097 A, 授权公告日 2020-04-08.
发明人孙丽萍,朱建伟,沈红梅. "Method for the Synthesis of Calcitriol EP Impurity A" [P]. 中国发明专利, 专利号 CN 109996739 A, 授权公告日 2022-04-14.
发明人何建平,徐明华,胡光. "A Process for Preparing High-Purity Calcitriol EP Impurity A" [P]. 中国发明专利, 专利号 CN 115580954 B, 授权公告日 2015-04-09.
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