phenylethylhydrazine

例句：

1. 1.This compound is used as a pesticide to control insect populations.
   这种化合物用作杀虫剂来控制昆虫种群。
2. 2. The chemical was discovered during the early stages of the industrial revolution.
   这种化学物质是在工业革命初期被发现的。
3. 3.Phenylethylhydrazine is a highly toxic substance that can cause severe health problems if ingested.
   苯乙基肼是一种高度有毒的物质，如果摄入会导致严重的健康问题。