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发明人沈红梅,徐明华,张德明. "Method for the Synthesis of Ethyl 4-bromo-6-methyl-7-oxo-1-tosyl-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112698650 B, 授权公告日 2019-11-19.
发明人徐明华,何建平,刘建华. "A Process for Preparing High-Purity Ethyl 4-bromo-6-methyl-7-oxo-1-tosyl-6,7-dihydro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115868449 A, 授权公告日 2019-02-27.
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