diacetyl di-sulfide

例句：

1. 1.This compound is a key intermediate in the synthesis of many pharmaceuticals.
   这种化合物是合成许多药物的关键中间体。
2. 2.The reaction mechanism involves the formation of diacetyl di-sulfide as a byproduct.
   该反应机制涉及作为副产品的形成二乙酰二硫化物。
3. 3.The presence of diacetyl di-sulfide can indicate the presence of microorganisms in the sample.
   二乙酰二硫化物的存在于样本中表明存在微生物。