发明人沈红梅,孙丽萍,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108875579 A, 授权公告日 2020-05-07.
发明人黄志刚,罗永刚,张德明. "Method for the Synthesis of (E)-tert-Butyl (3-(3-fluorophenyl)-4-oxo-1,3,7-triazaspiro[4.5]decan-2-ylidene)carbamate" [P]. 中国发明专利, 专利号 CN 112061042 A, 授权公告日 2020-12-23.
发明人钱学锋,杨光,沈红梅. "A Process for Preparing High-Purity (E)-tert-Butyl (3-(3-fluorophenyl)-4-oxo-1,3,7-triazaspiro[4.5]decan-2-ylidene)carbamate" [P]. 中国发明专利, 专利号 CN 117718993 B, 授权公告日 2023-06-07.
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