发明人朱建伟,李文辉,钱学锋. "Method for the Synthesis of 6-Amino-5-hydroxy-1-oxo-2,3-dihydro-1H-indene-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 113988202 A, 授权公告日 2015-07-13.
发明人张德明,高志强,王建平. "A Process for Preparing High-Purity 6-Amino-5-hydroxy-1-oxo-2,3-dihydro-1H-indene-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 109383144 A, 授权公告日 2025-04-27.
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