Published in Nature, this research centers on a process called nucleophilic aromatic substitution (S N Ar), a class of transformation that is widely used across the chemical industries including ...

(Image: Public Domain) Guanine has the chemical formula C₅H₅N₅O and a molecular weight of 151.13 g/mol. It is a polar molecule due to the presence of the carbonyl (C=O) and amino (NH₂) groups. The ...