Add a Fused Ring

For example: To draw naphthalene...

  1. Click B on the drawing menu, and click on the white canvass to insert it.

  2. Click B on the drawing menu (again) to select the second ring.

  3. Click directly on the target bond to attach the second ring.



    4.  
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example: drawing of napthalene by fusing a benzene ring to another benzene ring

Cyclopentyl and cyclohexyl rings can be fused in the same way.