Hydroboration of an alkyne with disiamylborane, made with ChemDraw. Please drop me a note if you need the source file. English URL: https://commons.wikimedia
a derivative work of the following images: File:Hydrogenation_alkene_alkyne.svg licensed with Cc-by-sa-3.0,2.5,2.0,1.0, GFDL 2012-07-17T17:03:17Z Xhmikos