发明人李文辉,罗永刚,刘建华. "Method for the Synthesis of ethyl 4-(chlorosulfonyl)-1-methyl-1H-pyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110383594 A, 授权公告日 2017-01-07.
发明人徐明华,李文辉,周伟. "A Process for Preparing High-Purity ethyl 4-(chlorosulfonyl)-1-methyl-1H-pyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108300429 B, 授权公告日 2017-05-17.
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