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Butyne is the name of the two isomeric hydrocarbons from the homologous series of alkynes (more precisely the butynes ) with the empirical formula C 4 H 6 :

Butin is a family name for the following people:

Butin is the name of the following places:

  • Butin (Timiș) , village in Timiș County (Romania)
  • German name for Putim , Okres Písek, Czech Republic