发明人郭海燕,钱学锋,马晓峰. "Method for the Synthesis of Ethyl 7-bromo-2-methyl-1-propyl-1H-benzo[d]imidazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115528409 B, 授权公告日 2020-01-17.
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