发明人何建平,沈红梅,郭海燕. "Method for the Synthesis of Methyl 4-(pyrimidin-2(1h)-ylideneamino)butanoate" [P]. 中国发明专利, 专利号 CN 115753180 A, 授权公告日 2019-08-01.
发明人杨光,冯建国,赵玉洁. "A Process for Preparing High-Purity Methyl 4-(pyrimidin-2(1h)-ylideneamino)butanoate" [P]. 中国发明专利, 专利号 CN 110874014 B, 授权公告日 2020-06-08.
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