发明人冯建国,孙丽萍,钱学锋. "Method for the Synthesis of Indole-3-butyryl-L-valine" [P]. 中国发明专利, 专利号 CN 112731641 A, 授权公告日 2016-06-15.
Hughes D C, Kumar R, Schröder R. "A Process for Preparing High-Purity Indole-3-butyryl-L-valine" [P]. US Patent, US 10651962 B2, 2018-10-23.
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