acetic acid,[(1R,5R)-5-(hydroxymethyl)cyclopent-2-en-1-yl] acetate

[3(1R,2R),4S]-4-benzyl-3-(2-hydroxycyclopent-3-enecarbonyl)oxazolidin-2-one

[3(2S,4R),4S]-3-(2-allyl-3-hydroxypent-4-enoyl)-4-benzyloxazolidin-2-one

((1S,4R)-4-(2-amino-6-(cyclopropylamino)-9H-purin-9-yl)cyclopent-2-en-1-yl)methyl acetate

2,6-dichloropurine tetrabutylammonium salt