title: Identification and location of protecting groups on the nucleotide components of chemically synthesized oligodeoxyribonucleotides by mass spectral analysis.
mesh_terms: D007202:Indicators and Reagents / Q000032:analysis*; D013058:Mass Spectrometry / Q000379:methods; D009838:Oligodeoxyribonucleotides; D009841:Oligonucleotides; D012265:Ribonucleotides / Q000032:analysis
chemical_list: D007202:Indicators and Reagents; D009838:Oligodeoxyribonucleotides; D009841:Oligonucleotides; D012265:Ribonucleotides