发明人郭海燕,何建平,罗永刚. "Method for the Synthesis of Calcipotriol Impurity 18" [P]. 中国发明专利, 专利号 CN 113725114 B, 授权公告日 2023-09-09.
发明人何建平,郑宇鹏,朱建伟. "A Process for Preparing High-Purity Calcipotriol Impurity 18" [P]. 中国发明专利, 专利号 CN 113150621 A, 授权公告日 2018-07-08.
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