发明人罗永刚,王建平,唐晓军. "Method for the Synthesis of 23702-49-0
5-Phenanthro(4,5-bcd)pyran-5-one
5H-Phenanthro(4,5-bcd)pyran-5-one
CCRIS 2211" [P]. 中国发明专利, 专利号 CN 109195191 A, 授权公告日 2018-02-04.
发明人林芳,郑宇鹏,罗永刚. "A Process for Preparing High-Purity 23702-49-0
5-Phenanthro(4,5-bcd)pyran-5-one
5H-Phenanthro(4,5-bcd)pyran-5-one
CCRIS 2211" [P]. 中国发明专利, 专利号 CN 112677543 A, 授权公告日 2023-10-17.
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5-Phenanthro(4,5-bcd)pyran-5-one
5H-Phenanthro(4,5-bcd)pyran-5-one
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