发明人徐明华,冯建国,孙丽萍. "Method for the Synthesis of Atorvastatin EP Impurity A(Calcium salt)" [P]. 中国发明专利, 专利号 CN 110419064 A, 授权公告日 2018-12-03.
发明人王建平,钱学锋,胡光. "A Process for Preparing High-Purity Atorvastatin EP Impurity A(Calcium salt)" [P]. 中国发明专利, 专利号 CN 110281468 B, 授权公告日 2016-04-18.
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