发明人王建平,杨光,赵玉洁. "Method for the Synthesis of Betamethasone 21-Acetate" [P]. 中国发明专利, 专利号 CN 113743369 B, 授权公告日 2017-02-14.
Kowalski A, Nielsen H, Jørgensen K. "A Process for Preparing High-Purity Betamethasone 21-Acetate" [P]. European Patent, EP 3159659 A1, 2019-10-03.
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