pyrinuron

例句：

1. 1. The pesticide pyrinuron is effective against a wide range of plant diseases.
   吡啶酰胺类化合物对多种植物病害有效。
2. 2. The farmers used pyrinuron to control the weeds in their fields.
   农民们使用吡啶酰胺类化合物来控制他们的田地中的杂草。
3. 3. The research team discovered that pyrinuron could be used as an alternative to chemical pesticides.
   研究小组发现吡啶酰胺类化合物可以作为化学农药的替代品。