发明人杨光,何建平,王建平. "Method for the Synthesis of 4-Chloro-2-methyl-5,6,7,8-tetrahydropyrido[2,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110532851 B, 授权公告日 2017-08-26.
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