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发明人孙丽萍,钱学锋,郑宇鹏. "Method for the Synthesis of 4-(1,2-Dimethyl-5-nitro-1H-indol-3-yl)but-3-en-2-one" [P]. 中国发明专利, 专利号 CN 109256523 B, 授权公告日 2015-03-09.
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