Roland K. O. Sigel, Susan M. Thompson, Eva Freisinger and Bernhard Lippert
A cyclic arrangement of the four model nucleobases 1-methyluracilate (mura), 9-ethyladenine (eade), 9-ethylguanine (Hegua) and 1-methylcytosine (mcyt), held together by two metal entities [trans-(NH3)2PtII and trans-(MeNH2)2PtII] and multiple H bond interactions, is presented.