发明人高志强,胡光,张德明. "Method for the Synthesis of Ethyl 4-(2-methylphenyl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 111264559 B, 授权公告日 2021-01-12.
发明人孙丽萍,马晓峰,黄志刚. "A Process for Preparing High-Purity Ethyl 4-(2-methylphenyl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 114708157 B, 授权公告日 2021-03-23.
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