6H5R:
reference: Interaction of a gold(i) dicarbene anticancer drug with human telomeric DNA G-quadruplex: solution and computationally aided X-ray diffraction analysis., Guarra F, Marzo T, Ferraroni M, Papi F, Bazzicalupi C, Gratteri P, Pescitelli G, Messori L, Biver T, Gabbiani C, Dalton Trans. 2018 Nov 22;47(45):16132-16138. doi: 10.1039/c8dt03607a. PMID: 30378627

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