The element selection lets you choose which element you want to draw with. You can either chose between C, H, N, O, P, S, or you can click on PSE to open up a periodic table and select any other element from there.
Next to the element selection, you will find the undo and redo buttons.
The bond tools allows you to select between different types of bonds to draw with or change existing bonds.
|single bond tool||add single bonds. By clicking on a existing bond, the bond order is increased.|
|double bond tool||add double bonds. By clicking on a existing double bond, the style is changed.|
|triple bond tool||add tripple bonds.|
|stereo bond tool||add stereo bonds. By clicking on a existing stereo bond, the orientation is changed.|
|special bonds tool||add special bonds like dashed, wavy or delocalized bonds. Click on the disclosure triangle to choose from more special bond types in the popover. By continuously clicking on the special bonds button you can switch between the different special bond types.|
|chain bond tool||add an atom chain. By dragging the further away, the chain gets longer. The orientation of the chain can be changed by holding the shift-key.|
In the ring system tools you will find simple ring systems that you can directly place into your sketch.
The manipulation tools can be used to select, move, mirros (horizontally or vertically), rotate bonds (in horizontal or vertical position) or delete objects.