Kumar R, Schröder R, Mueller T. "Method for the Synthesis of (R)-8-(2-Amino-1-hydroxyethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. US Patent, US 11522716 B2, 2022-04-20.
发明人沈红梅,徐明华,冯建国. "A Process for Preparing High-Purity (R)-8-(2-Amino-1-hydroxyethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 115991183 B, 授权公告日 2024-12-23.
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