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195829-10-8 5-[(E)-3-aminoprop-1-enyl]-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidine-2,4-dione
206552-85-4 4-amino-1-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-prop-2-ynoxy-tetrahydrofuran-2-yl]pyrimidin-2-one
1613589-04-0 1-[(2R,3R,4S,5S)-5-fluoro-3,4-dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione
1012080-88-4 1-[(2R,3R,4R,5R)-5-(azidomethyl)-3-fluoro-4-hydroxy-tetrahydrofuran-2-yl]pyrimidine-2,4-dione
1012080-90-8 1-[(2R,3R,4R,5R)-5-(aminomethyl)-3-fluoro-4-hydroxy-tetrahydrofuran-2-yl]pyrimidine-2,4-dione
162660-19-7 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl](3¹⁵N)pyrimidine-2,4-dione
1373621-05-6 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl](6¹³C)pyrimidine-2,4-dione
2940861-64-1 4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl](6¹³C)pyrimidin-2-one
119410-95-6 1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)-3-methylene-tetrahydrofuran-2-yl]pyrimidine-2,4-dione
1803126-18-2 1-[(2R,3S,4S,5R)-4-benzyloxy-5-(benzyloxymethyl)-5-(difluoromethyl)-3-hydroxy-tetrahydrofuran-2-yl]pyrimidine-2,4-dione