发明人唐晓军,韩伟,刘建华. "一种喷他佐辛杂质2的合成方法" [P]. 中国发明专利, 专利号 CN 108733182 A, 授权公告日 2020-04-17.
发明人张德明,徐明华,高志强. "Method for the Synthesis of Pentazocine Impurity 2" [P]. 中国发明专利, 专利号 CN 114536602 B, 授权公告日 2020-04-15.
发明人胡光,沈红梅,孙丽萍. "A Process for Preparing High-Purity Pentazocine Impurity 2" [P]. 中国发明专利, 专利号 CN 108544844 B, 授权公告日 2023-01-22.
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