Using Chem Draw Draw an allene Right-click on the central carbon and choose Edit Label. Type a bullet character (Alt-0149) . Using ChemSketch Using Marvin Draw
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❌ ❗STR I CTURE = a restriction on a person or activity./ a sternly critical or censorious remark or instruction. ❗STR U CTURE = a building or other object constructed from several parts. / the arrangement of and relations between the parts or elements of something complex.