发明人张德明,胡光,陈志强. "Method for the Synthesis of 7-Amino-2-chloro-8-ethyl-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 108245999 A, 授权公告日 2017-09-25.
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