发明人张德明,马晓峰,郭海燕. "Method for the Synthesis of 4-Bromo-5-ethoxypyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 117581531 A, 授权公告日 2016-05-24.
发明人张德明,沈红梅,周伟. "A Process for Preparing High-Purity 4-Bromo-5-ethoxypyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 115391359 B, 授权公告日 2020-05-01.
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