1 "Ficheiro:15-crown-5_and_monomer_3D_balls.png".

Ficheiro:15-crown-5 and monomer 3D balls.png

Commons Attribution-Share Alike 4.0 truetrue English The 15-crown-5 crown ether and its monomer ethylene oxide URL: https://commons.wikimedia.org/wiki/user:Jorge_Stolfi...

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