Complex sentence: In addition to its "Grand vin", Latour has also produced the second wine Les Forts de Latour since 1966, and a third wine, simply named Pauillac, has been released every year since 1990.
Split into simpler sentences: In addition to its "Grand vin", since 1966 it has also produced a second wine "Les Forts de Latour". A third wine, simply named "Pauillac", has been released every year since 1990.