发明人张德明,林芳,李文辉. "一种N-亚硝基吡喃酚帕米酸盐杂质1的合成方法" [P]. 中国发明专利, 专利号 CN 113480420 A, 授权公告日 2022-08-14.
发明人林芳,马晓峰,王建平. "Method for the Synthesis of N-Nitroso Pyrantel Pamoate Impurity 1" [P]. 中国发明专利, 专利号 CN 108529922 A, 授权公告日 2022-02-07.
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