1,3-丙二胺

保护-2’-脱氧尿苷

2-(azidomethyl)-N-(1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide

2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-N6-phthaloylcytidine

2'-deoxy-N6-phthaloylcytidine