发明人胡光,郭海燕,韩伟. "Method for the Synthesis of 8-(Benzo[b]thiophen-2-yl)-2-morpholino-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 116640215 B, 授权公告日 2019-04-07.
发明人刘建华,张德明,郭海燕. "A Process for Preparing High-Purity 8-(Benzo[b]thiophen-2-yl)-2-morpholino-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 117959433 B, 授权公告日 2016-09-03.
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