发明人唐晓军,马晓峰,冯建国. "一种维生素K1杂质33的合成方法" [P]. 中国发明专利, 专利号 CN 109302451 A, 授权公告日 2017-06-14.
发明人郑宇鹏,马晓峰,冯建国. "Method for the Synthesis of Vitamin K1 Impurity 33" [P]. 中国发明专利, 专利号 CN 117243597 B, 授权公告日 2025-12-06.
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