发明人张德明,郭海燕,王建平. "Method for the Synthesis of 2-Methyl-4H-benzo[4,5]imidazo[1,2-b]pyrazole" [P]. 中国发明专利, 专利号 CN 111026146 A, 授权公告日 2024-02-26.
发明人高志强,杨光,张德明. "A Process for Preparing High-Purity 2-Methyl-4H-benzo[4,5]imidazo[1,2-b]pyrazole" [P]. 中国发明专利, 专利号 CN 108107801 A, 授权公告日 2019-12-14.
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