2-chloro-5-nitroaniline (2002-8-7 11:17:32)
      1-n-bromosuccinimide (2002-7-22 8:50:57)
      hydroquinone (2002-7-22 8:50:44)
      3-nitroben zoylchloride (2002-7-22 8:50:36)
      sodium methoxide (2002-7-22 8:49:22)