phenylhydrazine hydrochloride

例句：

1. 1.This compound is used in the production of phenylhydrazine hydrochloride.
   这种化合物用于生产苯肼盐酸。
2. 2.The chemical was synthesized using phenylhydrazine hydrochloride as a starting material.
   该化学品使用苯肼盐酸作为起始材料合成。
3. 3.Phenylhydrazine hydrochloride is a key intermediate in the synthesis of many pharmaceuticals.
   苯肼盐酸是许多药物合成的关键中间体。