发明人张德明,林芳,黄志刚. "Method for the Synthesis of Ethyl 5-hydroxy-2-(methylthio)-7-oxo-8-phenyl-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 109925127 B, 授权公告日 2021-12-20.
Park J H, O'Brien P Q, Yamamoto T. "A Process for Preparing High-Purity Ethyl 5-hydroxy-2-(methylthio)-7-oxo-8-phenyl-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate" [P]. US Patent, US 10983878 B2, 2015-03-07.
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