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Chemical Sketcher

Erlwood Knime Open Source Cheminformatics version 4.0.0.qualifier by Erlwood

Use this node to draw structures and/or reactions using the MarvinSketch editor. Multiple structures and/or reactions can be entered. Use the 'Configure' menu item or double click this node to bring up the editor.

Output Ports

All drawn structures are output here.
All drawn reactions are output here.


View containing the structures you have drawn in the MarvinSketch window.
View containing the reactions you have drawn in the MarvinSketch window.

Best Friends (Incoming)

Best Friends (Outgoing)


To use this node in KNIME, install Erlwood Knime Open Source Cheminformatics from the following update site:


A zipped version of the software site can be downloaded here.

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