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发明人唐晓军,周伟,林芳. "Method for the Synthesis of 6-Oxo-2-(thiophen-2-ylmethyl)-1,6-dihydropyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111215532 A, 授权公告日 2016-04-10.
发明人孙丽萍,胡光,钱学锋. "A Process for Preparing High-Purity 6-Oxo-2-(thiophen-2-ylmethyl)-1,6-dihydropyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108922524 A, 授权公告日 2016-07-12.
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