Neto, Brenno A.D., Lapis, Alexandre A.M., Netz, Paulo A., Spencer, John, Dias, Silvio L.P., Tamborim, Silvia M., Basso, Luiz A., Santos, Diógenes S. and Dupont, Jairton (2010) Synthesis and enzymatic evaluation of the guanosine analogue 2-amino-6-mercapto-7-methylpurine ribonucleoside (MESG): insights into the phosphorolysis reaction mechanism based on the blueprint transition state: SN1 or SN2? Journal of the Brazilian Chemical Society, 21 (1). pp. 151-156. ISSN 0103-5053 (Print), 1678-4790 (Online) (doi:10.1590/S0103-50532010000100022)