发明人徐明华,周伟,林芳. "Method for the Synthesis of 6H-benzo[a]phenanthridin-5-one" [P]. 中国发明专利, 专利号 CN 109321119 B, 授权公告日 2018-11-02.
发明人高志强,刘建华,王建平. "A Process for Preparing High-Purity 6H-benzo[a]phenanthridin-5-one" [P]. 中国发明专利, 专利号 CN 116948677 A, 授权公告日 2025-08-18.
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