2.3 Drawing Rings

Clicking one of the -buttons pastes the corresponding ring into the structure window

Annelated rings: drag the square in the middle of the bond to the bond you want to fuse Spiro-fused compounds: drag the square at the atom to merge it to another atom

2.4 Template Files

Template files contain pre-defined molecules, substructures as well as functional groups

1. Choose from the menu File; Template... and select a template file
2. You can view the contents by using the browse-button, but you cannot pick a molecule and paste it in the structure window from this menu
3. Use the template button to browse the chosen template file and select the desired (sub)structure by double click

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