发明人钱学锋,唐晓军,李文辉. "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-, sodium salt" [P]. 中国发明专利, 专利号 CN 116859860 A, 授权公告日 2022-01-24.
发明人冯建国,张德明,郭海燕. "A Process for Preparing High-Purity Α-D-Glucopyranosiduronic acid, (3β,20β)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-β-D-glucopyranuronosyl-, sodium salt" [P]. 中国发明专利, 专利号 CN 109100131 B, 授权公告日 2023-10-20.
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