发明人刘建华,赵玉洁,黄志刚. "Method for the Synthesis of Α-d-Glucopyranosiduronic acid, (3β,20β)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-β-D-glucopyranuronosyl-, monoammonium salt, xhydrate" [P]. 中国发明专利, 专利号 CN 115866730 A, 授权公告日 2022-09-24.
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