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发明人何建平,胡光,林芳. "A Process for Preparing High-Purity 5-(1-Methyl-2-oxoindolin-3-ylidene)-2-thioxo-3-(m-tolyl)thiazolidin-4-one" [P]. 中国发明专利, 专利号 CN 114691886 B, 授权公告日 2016-01-26.
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