γ-Butyrolactone or gamma-butyrolactone is an organic compound with the formula O=CO(CH₂)₃. It is a hygroscopic, colorless, water-miscible liquid with a weak characteristic odor. It is the simplest 4-carbon lactone. From Wikipedia
The draft now moves to the Bundestag after the summer recess, with a three-month transition period for vendors to introduce age verification measures