发明人陈志强,何建平,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115544887 A, 授权公告日 2025-07-18.
发明人张德明,罗永刚,朱建伟. "Method for the Synthesis of Ethyl 4-(1-mEthyl-1H-pyrrol-2-yl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 114131443 B, 授权公告日 2025-11-26.
发明人黄志刚,郭海燕,徐明华. "A Process for Preparing High-Purity Ethyl 4-(1-mEthyl-1H-pyrrol-2-yl)-2,4-dioxobutanoate" [P]. 中国发明专利, 专利号 CN 109778756 B, 授权公告日 2017-10-27.
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