发明人张德明,韩伟,钱学锋. "Method for the Synthesis of 2-(o-Tolyl)-1H-benzo[d]imidazole" [P]. 中国发明专利, 专利号 CN 108327411 B, 授权公告日 2025-01-11.
发明人冯建国,杨光,林芳. "A Process for Preparing High-Purity 2-(o-Tolyl)-1H-benzo[d]imidazole" [P]. 中国发明专利, 专利号 CN 111594489 B, 授权公告日 2018-12-10.
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