发明人高志强,孙丽萍,沈红梅. "Method for the Synthesis of 2-Phenylpyrazolo[1,5-a]pyrazine-4(5H)-thione" [P]. 中国发明专利, 专利号 CN 111818515 A, 授权公告日 2016-09-09.
发明人何建平,张德明,赵玉洁. "A Process for Preparing High-Purity 2-Phenylpyrazolo[1,5-a]pyrazine-4(5H)-thione" [P]. 中国发明专利, 专利号 CN 108045167 B, 授权公告日 2020-03-02.
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