资料来源 : pyDict

内酯; 乳酸干溜液

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Lactone \Lac"tone\, n. (Chem.)
   One of a series of organic compounds, regarded as anhydrides
   of certain hydroxy acids. In general, they are colorless
   liquids, having a weak aromatic odor. They are so called
   because the typical lactone is derived from lactic acid.