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发明人刘建华,胡光,罗永刚. "Method for the Synthesis of 5-Amino-1-(1H-benzoimidazol-2-yl)-1H-pyrazole-4-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 114724760 A, 授权公告日 2017-03-19.
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