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发明人周伟,黄志刚,钱学锋. "A Process for Preparing High-Purity 4-(3-Nitrophenyl)-2-dimethoxymethyl-1,4-dihydropyridine-3,5-dicarboxylic Acid 5-Isopropyl Ester 3-Methyl Ester" [P]. 中国发明专利, 专利号 CN 116360306 B, 授权公告日 2023-03-11.
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