发明人黄志刚,杨光,王建平. "Method for the Synthesis of 5,6-DimethoxyIsatin" [P]. 中国发明专利, 专利号 CN 113448992 B, 授权公告日 2016-11-13.
Nielsen H, Sørensen M, Martínez F. "A Process for Preparing High-Purity 5,6-DimethoxyIsatin" [P]. European Patent, EP 3334430 A1, 2023-08-17.
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