发明人林芳,冯建国,杨光. "一种缬沙坦杂质13(丙戊酸EP杂质A)的合成方法" [P]. 中国发明专利, 专利号 CN 109489510 A, 授权公告日 2024-11-18.
发明人郑宇鹏,郭海燕,王建平. "Method for the Synthesis of Valsartan Impurity 13 ( Valproic Acid EP Impurity A )" [P]. 中国发明专利, 专利号 CN 112533559 A, 授权公告日 2023-01-08.
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