发明人马晓峰,黄志刚,张德明. "Method for the Synthesis of 1,4-Dihydro-4-imino-2H-3,1-benzothiazine-2-thione" [P]. 中国发明专利, 专利号 CN 109660636 B, 授权公告日 2020-05-23.
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