Davis P L, Schröder R, Fischer A B. "Method for the Synthesis of (16α)-21-Acetyloxy-16,17-dihydroxy-16,17-O-isopropylidene-pregna-1,4,9(11)-triene-3,20-dione" [P]. US Patent, US 10115127 B2, 2017-02-10.
发明人冯建国,郑宇鹏,张德明. "A Process for Preparing High-Purity (16α)-21-Acetyloxy-16,17-dihydroxy-16,17-O-isopropylidene-pregna-1,4,9(11)-triene-3,20-dione" [P]. 中国发明专利, 专利号 CN 112066316 B, 授权公告日 2021-02-13.
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