发明人周伟,何建平,黄志刚. "Method for the Synthesis of 6,7-Dimethoxy-2-(2-methoxy-2-oxoethyl)-3,4-dihydroisoquinolin-2-ium bromide" [P]. 中国发明专利, 专利号 CN 116105471 B, 授权公告日 2015-11-25.
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