three steps

 
  • 三步反應

three steps的用法和樣例:

例句

  1. A series of triarylphosphine ligands with alkoxyl groups have been prepared through five steps from commercially available 3-bromophenol by a new synthetic route.
    摘要從間溴苯酚出發(fā),利用新的合成方法經(jīng)五步反應合成了一系列具有不同烷氧基的芳基膦配體。
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