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

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

(1R,2S,3R,4R)-1-tert-butoxycarbonylamino-2-methoxymethoxy-3-hydroxy-4-(triisopropylsiloxymethyl)cyclopentane