2',3',5'-三-O-乙酰-2-氨基-6-氯嘌呤核苷

2,6-二氯嘌呤

1,2,3,5-四-O-乙酰基-β-D-呋喃核糖

2',3',5'-tri-O-acetyl-1-hydroxyinosine

鸟苷