hexamethylmelamine

例句：

1. 1. This chemical compound is used in the production of fertilizers and pesticides.
   这种化学化合物用于生产肥料和农药。
2. 2. The hexamethylene diamine reacts with water to form ammonia gas.
   六甲基二胺与水反应生成氨气。
3. 3. Hexamethylene diamine is a common ingredient in antifreeze solutions.
   六甲基二胺是防冻液中常见的成分。