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Chemical Drawing Atlas

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Charges, isotopes and atom labels in OpenReactions

Element and charge controls beside a labeled structure

Element and charge controls beside a labeled structure
What we checked
Charges, isotopes and arbitrary element labels can be set on atoms.
Result
Partly: Charges and labels editable; isotopes imported through SMILES/MOL. Partly. Charges and labels editable; isotopes imported through SMILES/MOL.
Version we tested
Hosted, 5 Nov 2026, on macOS 27.0.1 arm64
Manual
openreactions.com

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