Complex sentence: As all wine produced in this appellation, Château Lafleur is unclassified, but the estate is estimated among the great growths of the region, and the wine, among the world's most rare and expensive, is widely cited as among the world's finest.
Split into simpler sentences: As all wine produced in this appellation, Château Lafleur is unclassified, and the estate is estimated among the great growths of the region. The wine, among the world's most rare and expensive, is widely cited as among the world's finest.