发明人王建平,刘建华,黄志刚. "一种二氟拉松杂质4的合成方法" [P]. 中国发明专利, 专利号 CN 115641731 A, 授权公告日 2023-01-09.
发明人胡光,郭海燕,孙丽萍. "Method for the Synthesis of Diflorasone impurity 4" [P]. 中国发明专利, 专利号 CN 113034132 A, 授权公告日 2024-08-10.
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