isonitrosomethyl ethyl ketone

例句：

1. 1. This compound is usedin the production of polyurethanefoam.
   这种化合物用于生产聚氨酯泡沫。
2. 2. The chemicalwas found to have a toxic effect onhumans.
   这种化学物质被发现对人类有毒性影响。
3. 3. Dueto its high reactivity, isocyanate ketone is often used asan intermediate in the synthesis of other chemicals.
   由于其高反应性，异氰酸甲酯乙酮常被用作其他化学品合成的中间体。