发明人钱学锋,张德明,林芳. "Method for the Synthesis of imidazo[1,2-a]pyrazine-2-carbohydrazide" [P]. 中国发明专利, 专利号 CN 109004712 A, 授权公告日 2017-03-09.
发明人郭海燕,王建平,高志强. "A Process for Preparing High-Purity imidazo[1,2-a]pyrazine-2-carbohydrazide" [P]. 中国发明专利, 专利号 CN 108829589 B, 授权公告日 2023-12-15.
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