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Draw allenes with central carbon atom as a dot

Using Chem Draw

  1. Draw an allene  
  2. Right-click on the central carbon and choose Edit Label.
  3. Type a bullet character (Alt-0149) . 

Using ChemSketch

Using Marvin Draw


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How to add numbers to a structure

How to add numbers to a structure

1. Select the full structure or atom to number.
2. click ' (apostrophe)

Note: Numbering will not be as per IUPAC numbering system.


I or U

❌I or U❌
 ❗STRICTURE = a restriction on a person or activity./ a sternly critical or censorious remark or instruction.

❗STRUCTURE = a building or other object constructed from several parts. / the arrangement of and relations between the parts or elements of something complex.