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Chemical Drawing Atlas

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OpenChemLib JS editorThis feature in other tools

R/S and E/Z labels in OpenChemLib JS editor

A molecular structure with R and S annotations.

A molecular structure with R and S annotations.
What we checked
Stereo descriptors are computed from the drawing.
Result
Yes, tested by running it: Pasted complex structure displayed R and S annotations. Yes, tested by running it. Pasted complex structure displayed R and S annotations.
Version we tested
v9.25.2, on macOS 27.0.1 arm64
Manual
cheminfo.github.io

Open the full pageManual