Beta Canopus
Beta Canopus was an inhabited planet which had a naturally occurring drug called strobolin. Strobolin was a naturally occurring pharmaceutical drug, found on only a few planets in the Milky Way Galaxy. It was used to treat choriocytosis in Vulcans and other races with blood not based on iron. 

The starship  visited Beta Canopus in 2270 to obtain strobolin that was to be shipped to the  by way of the freighter Huron. ()

See also 
 Canopus

de: Beta Canopus
Planets