发明名称 Nitrobenzofuran derivatives
摘要 Nitrobenzofurazan derivatives having the formula <IMAGE> are provided wherein R1 and R2 each is hydrogen, lower alkyl or phenyl-lower alkyl; R3 is hydrogen, hydroxy or lower alkyl; R4 is hydrogen or lower alkyl; m is 2 or 3; and n is 0, 1 or 2; these compounds are useful analytical tools.
申请公布号 US4395556(A) 申请公布日期 1983.07.26
申请号 US19820345883 申请日期 1982.02.04
申请人 E. R. SQUIBB & SONS, INC. 发明人 ITA, CALLIXTUS E.;HEALD, ANTHONY F.;EGLI, PETER
分类号 C07D413/12;(IPC1-7):C07D271/12 主分类号 C07D413/12
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