dihydrazone

例句：

1. 1. This compound is a key intermediate in the synthesis of dihydrazones.
   这种化合物是合成二水合肼的关键中间体。
2. 2. The dihydrazone reacts quickly with acids to form diazomethane.
   二水合肼与酸反应迅速生成二亚甲基。
3. 3.Dihydrazones are used as pesticides and herbicides due to their broad spectrum of activity.
   由于其广泛的活性，二水合肼被用作杀虫剂和除草剂。