发明人赵玉洁,马晓峰,黄志刚. "Method for the Synthesis of 8-Oxo-2-(thiophen-2-yl)-9-(p-tolyl)-8,9-dihydro-7H-purine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 111396547 A, 授权公告日 2018-09-12.
Jørgensen K, Schröder R, Mueller T C. "A Process for Preparing High-Purity 8-Oxo-2-(thiophen-2-yl)-9-(p-tolyl)-8,9-dihydro-7H-purine-6-carboxamide" [P]. European Patent, EP 3375009 A1, 2018-02-05.
参考文献 Literature
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