发明人高志强,韩伟,刘建华. "Method for the Synthesis of Elagolix Impurity 56" [P]. 中国发明专利, 专利号 CN 109823128 A, 授权公告日 2015-06-12.
发明人罗永刚,冯建国,王建平. "A Process for Preparing High-Purity Elagolix Impurity 56" [P]. 中国发明专利, 专利号 CN 114704161 B, 授权公告日 2024-07-17.
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