发明人杨光,沈红梅,郑宇鹏. "Method for the Synthesis of Butyl 2-amino-4-oxo-3,4,5,6,7,8-hexahydroquinazoline-6-carboxylate" [P]. 中国发明专利, 专利号 CN 116967399 A, 授权公告日 2017-11-01.
Roberts E F, Fischer A B, Anderson J P. "A Process for Preparing High-Purity Butyl 2-amino-4-oxo-3,4,5,6,7,8-hexahydroquinazoline-6-carboxylate" [P]. US Patent, US 9983904 B2, 2015-10-22.
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