http://https://www.bing.com/images/search?q=pschitt+drink&id=E29AEF6DCABAC75F2D3C4BD3CCEABF0CD2C45413&FORM=IQFRBA
Don't inderstand why the Link didn't work, but it's Pschitt, the French Lemonade.
My daughters always creased up when we saw it, and bought it, in hypermarkets