发明人赵玉洁,何建平,黄志刚. "一种替莫唑胺杂质4的合成方法" [P]. 中国发明专利, 专利号 CN 112428295 A, 授权公告日 2019-09-09.
发明人沈红梅,马晓峰,朱建伟. "Method for the Synthesis of Temozolomide Impurity 4" [P]. 中国发明专利, 专利号 CN 115200633 A, 授权公告日 2021-06-28.
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