发明人冯建国,杨光,王建平. "一种巴洛沙伟杂质50的合成方法" [P]. 中国发明专利, 专利号 CN 115474037 A, 授权公告日 2019-05-14.
发明人沈红梅,胡光,何建平. "Method for the Synthesis of Baloxavir Impurity 50" [P]. 中国发明专利, 专利号 CN 117277802 B, 授权公告日 2021-06-07.
发明人张德明,唐晓军,赵玉洁. "A Process for Preparing High-Purity Baloxavir Impurity 50" [P]. 中国发明专利, 专利号 CN 116780109 B, 授权公告日 2022-03-07.
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