Roberts E F, Johnson M A, Mueller T. "一种3beta-[(alpha-L-Arabinopyranosyl)oxy]ursa-12,19(20)-dien-28-oic acid beta-D-glucopyranosyl ester的合成方法" [P]. US Patent, US 11075375 B2, 2018-02-01.
发明人张德明,胡光,郑宇鹏. "Method for the Synthesis of 3beta-[(alpha-L-Arabinopyranosyl)oxy]ursa-12,19(20)-dien-28-oic acid beta-D-glucopyranosyl ester" [P]. 中国发明专利, 专利号 CN 117166072 B, 授权公告日 2021-09-04.
发明人孙丽萍,李文辉,林芳. "A Process for Preparing High-Purity 3beta-[(alpha-L-Arabinopyranosyl)oxy]ursa-12,19(20)-dien-28-oic acid beta-D-glucopyranosyl ester" [P]. 中国发明专利, 专利号 CN 109017475 B, 授权公告日 2024-08-23.
参考文献 Literature
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Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3beta-[(alpha-L-Arabinopyranosyl)oxy]ursa-12,19(20)-dien-28-oic acid beta-D-glucopyranosyl ester Using HRMS and NMR". J. Sep. Sci., 2025, 2172, (5), 5765-5788.