发明人张德明,郭海燕,孙丽萍. "Method for the Synthesis of 3-Formyl-4-(2-oxopyrrolidin-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 113958510 B, 授权公告日 2019-09-20.
发明人孙丽萍,张德明,周伟. "A Process for Preparing High-Purity 3-Formyl-4-(2-oxopyrrolidin-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 108792904 A, 授权公告日 2022-12-16.
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