发明人郭海燕,王建平,周伟. "Method for the Synthesis of 3940AF
7-Methoxy-2,1,3-benzoxadiazole-4-sulfonyl chloride
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C7H5ClN2O4S" [P]. 中国发明专利, 专利号 CN 108107497 A, 授权公告日 2017-04-16.
Kumar R, Hughes D C, O'Brien P Q. "A Process for Preparing High-Purity 3940AF
7-Methoxy-2,1,3-benzoxadiazole-4-sulfonyl chloride
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C7H5ClN2O4S" [P]. US Patent, US 10755294 B2, 2017-11-19.
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