发明人郑宇鹏,张德明,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115142087 A, 授权公告日 2024-02-28.
发明人罗永刚,李文辉,黄志刚. "Method for the Synthesis of 5-Methoxy-1,3,3-trimethyl-2-(2-(1-methyl-2-phenyl-1H-indol-3-yl)vinyl)-3H-indol-1-ium methyl sulfate" [P]. 中国发明专利, 专利号 CN 110256436 A, 授权公告日 2019-12-18.
发明人郭海燕,罗永刚,杨光. "A Process for Preparing High-Purity 5-Methoxy-1,3,3-trimethyl-2-(2-(1-methyl-2-phenyl-1H-indol-3-yl)vinyl)-3H-indol-1-ium methyl sulfate" [P]. 中国发明专利, 专利号 CN 112985439 A, 授权公告日 2021-02-01.
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