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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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