butirolactonas
It seems like there might be a slight confusion in the term. „Butyrolactones“ generally refers to a class of organic compounds that includes gamma-butyrolactone (GBL). GBL is a colorless, clear liquid with a sweet taste and odor. It is a cyclic ester of gamma-hydroxybutyric acid (GHB). As mentioned before, GBL is commonly used as an …