Johnson M A, Roberts E F, Schröder R. "一种4-carbamoyl-1H-pyrrole-2-carboxylic acid的合成方法" [P]. US Patent, US 10910460 B2, 2015-07-05.
发明人张德明,马晓峰,郭海燕. "Method for the Synthesis of 4-carbamoyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111492039 B, 授权公告日 2019-08-19.
发明人张德明,王建平,孙丽萍. "A Process for Preparing High-Purity 4-carbamoyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110615460 A, 授权公告日 2019-12-18.
参考文献 Literature
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