Roberts E F, Stevens L M, Hughes D C. "一种的合成方法" [P]. US Patent, US 9049598 B2, 2022-05-09.
Chen K W, Fischer A B, Roberts E F. "Method for the Synthesis of (S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxybutanoic acid" [P]. US Patent, US 11295618 B2, 2022-01-08.
发明人冯建国,罗永刚,胡光. "A Process for Preparing High-Purity (S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxybutanoic acid" [P]. 中国发明专利, 专利号 CN 114921905 A, 授权公告日 2018-05-22.
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