There are disclosed compounds having the formula
where X is H, halogen, -OH, -OCH₃, -NO₂ or -CF₃; Y is H, Cl or Br; Z is H, halogen, -OH or -OCH₃; and R is H, loweralkyl, -CH₂OH or diloweralkylnminomethyl, which compounds are useful as analgesic agents and a process for their preparation.
所公开的化合物具有以下式子
其中 X 是 H、卤素、-OH、-OCH₃、-NO₂ 或 -CF₃;Y 是 H、Cl 或 Br;Z 是 H、卤素、-OH 或 -OCH₃;R 是 H、低级烷基、-CH₂OH 或稀低烷基
氨甲基,这些化合物可用作镇痛剂及其制备方法。