发明人王建平,胡光,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116425811 A, 授权公告日 2020-01-05.
发明人刘建华,沈红梅,郭海燕. "Method for the Synthesis of 6,6-Dimethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione hydrochloride" [P]. 中国发明专利, 专利号 CN 116926092 A, 授权公告日 2018-04-08.
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