发明人刘建华,李文辉,王建平. "Method for the Synthesis of Trimetazidine EP Impurity A DiHCl" [P]. 中国发明专利, 专利号 CN 111317765 B, 授权公告日 2015-02-26.
Roberts E F, Park J H, Yamamoto T. "A Process for Preparing High-Purity Trimetazidine EP Impurity A DiHCl" [P]. US Patent, US 9912457 B2, 2021-01-15.
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