发明人钱学锋,罗永刚,高志强. "Method for the Synthesis of 3-Ethyl-2-phenyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113865726 B, 授权公告日 2019-06-24.
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