(1R,2R,3'aR,7'S,7'aS)-1'-benzyltetrahydro-1'H,3'H-spiro[cyclopentane-1,6'-pyrano[4,3-c]isoxazole]-2,7'-diol

(1R,2R,3'aS,7'S,7'aR)-1'-benzyltetrahydro-1'H,3'H-spiro[cyclopentane-1,6'-pyrano[4,3-c]isoxazole]-2,7'-diol

(1R,2S,3R,4S,5R,7R)-3-(6-chloropurin-9-yl)bicyclo[2.2.1]heptane-1,2,5,7-tetraol

(1R,5R,8R,9R,10S)-9-(5-amino-6-chloropyrimidin-4-ylamino)-8-hydroxymethyl-6-oxaspiro[4.5]decane-1,10-diol

(1R,5R,8S,9S,10S)-9-(5-amino-6-chloropyrimidin-4-ylamino)-8-hydroxymethyl-6-oxaspiro[4.5]decane-1,10-diol