2HTO:
reference: Hexammineruthenium(III) ion interactions with Z-DNA., Bharanidharan D, Thiyagarajan S, Gautham N, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007 Dec 1;63(Pt, 12):1008-13. Epub 2007 Nov 21. PMID: 18084080

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