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Dative, hydrogen and quadruple bonds in ChemThisTry

Dative and dotted bonds alongside other bond types.

What we checked: At least dative plus one other specialist bond type is drawable.
Result: Yes, tested by running it: Dative and hydrogen bond samples drawn successfully. Yes, tested by running it. Dative and hydrogen bond samples drawn successfully.
Version we tested: 0.1.6, on macOS 27.0.1 arm64
Manual: app.chemthistry.com