e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Journal of Molecular Biology 1970-03-14
Base-pairing configurations between purines and pyrimidines in the solid state. V. Crystal and molecular structure of two 1:1 hydrogen-bonded complexes, 1-methyluracil: 9-ethyl-8-bromo-2,6-diaminopurine and 1-ethylthymine: 9-ethyl-8-bromo-2,6--diaminopurine.