N-1-{(1R,2S,3S,4R)-2,3-bis(methoxymethoxy)-4-(hydroxymethyl)cyclopentyl}-5'-O-(tert-butyldimethylsilyl)-2',3'-O-isopropylideneadenosine

N-1-[(1R,2S,3S,4R)-2-(methoxymethoxy)-3-methoxy-4-(hydroxymethyl)cyclopentyl]-5'-O-{bis(phenylsulfanyl)phosphoryl}-2',3'-O-isopropylideneadenosine

(1R,2S,3S,4R)-1-tert-butoxycarbonylamino-2-(methoxymethoxy)-3-methoxy-4-(hydroxymethyl)cyclopentane

(1R,2S,3S,4R)-1-amino-2,3-bis(methoxymethoxy)-4-(hydroxymethyl)cyclopentane

(1R,2S,3S,4R)-1-amino-2-(methoxymethoxy)-3-methoxy-4-(hydroxymethyl)cyclopentane