2-chloro-6-amino-9-[3,5-di-O-(4-chlorobenzoyl)-2-deoxy-β-D-ribofuranosyl]-purine

2-chloro-6-trimethylsilylamino-9-[3,5-di-O-(4-chlorobenzoyl)-2-deoxy-β-D-ribofuranosyl]-purine

2-chloro-9-[2-deoxy-3,5-di-O-(p-toluoyl)-β-D-erythro-pentofuranosyl]-6-(2-pentylimidazol-1-yl)purine

2,6-二氯-9-(3,5-二-O-对甲苯甲酰基-2-脱氧-beta-D-赤式-呋喃戊糖基)嘌呤

9-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-2,6-dichloropurine