Complex sentence: Publicker Industries had successfully launched Inver House Rare, a branded of blended Scotch whisky in 1956, however, as a result of Industry demand there were not sufficient stocks to meet sales.
Split into simpler sentences: Publicker Industries had successfully launched Inver House Rare, a branded of blended Scotch whisky in 1956. However, as a result of industry demand, there were not sufficient stocks to meet sales.