发明人徐明华,韩伟,郭海燕. "Method for the Synthesis of Rhein-" [P]. 中国发明专利, 专利号 CN 108721390 B, 授权公告日 2022-11-20.
发明人刘建华,林芳,钱学锋. "A Process for Preparing High-Purity Rhein-" [P]. 中国发明专利, 专利号 CN 114681411 A, 授权公告日 2015-11-20.
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