发明人沈红梅,赵玉洁,黄志刚. "Method for the Synthesis of Trazodone Impurity 72 DiHCl" [P]. 中国发明专利, 专利号 CN 113870926 B, 授权公告日 2021-07-15.
发明人何建平,孙丽萍,陈志强. "A Process for Preparing High-Purity Trazodone Impurity 72 DiHCl" [P]. 中国发明专利, 专利号 CN 112213905 B, 授权公告日 2025-06-14.
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