发明人张德明,杨光,朱建伟. "Method for the Synthesis of 2,3-Dihydro-1H-benzo[d]imidazo[1,5-a]imidazole-1-thione" [P]. 中国发明专利, 专利号 CN 109098811 B, 授权公告日 2024-03-14.
发明人罗永刚,林芳,李文辉. "A Process for Preparing High-Purity 2,3-Dihydro-1H-benzo[d]imidazo[1,5-a]imidazole-1-thione" [P]. 中国发明专利, 专利号 CN 110716101 B, 授权公告日 2019-12-25.
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