Alike 4.0 truetrue English The 15-crown-5 crown ether and its monomer ethyleneoxide URL: https://commons.wikimedia.org/wiki/user:Jorge_Stolfi Wikimedia
DescriptionAcetolactone-3D-balls.png Ball and stick model of the acetolactone molecule. Date 7 May 2010 Source Derived from File:Ethylene-oxide-from-xtal-3D-balls.png and