Registre de correu electrònic: Site-specific Synthesis and Characterization of Oligonucleotides Containing an N(6)-(2-Deoxy-d-erythro-pentofuranosyl)-2,6-diamino-3,4-dihydro-4-oxo-5-N-methylformamidopyrimidine Lesion, the Ring-Opened Product from N7-Methylation of Deoxyguanosine