发明人唐晓军,李文辉,罗永刚. "Method for the Synthesis of Pentoxifylline EP Impurity H" [P]. 中国发明专利, 专利号 CN 113146304 B, 授权公告日 2022-07-02.
发明人黄志刚,罗永刚,周伟. "A Process for Preparing High-Purity Pentoxifylline EP Impurity H" [P]. 中国发明专利, 专利号 CN 115771137 B, 授权公告日 2018-04-12.
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