1-methyl-2',3'-O-isopropylidene-5'-O-mesyl-ψ-uridine

3'-O-acetyl-4,5'-anhydro-1-methyl-ψ-uridine

Acetic acid (1S,10R,11R,12R)-12-chloro-4-methyl-5-oxo-8,13-dioxa-4,6-diaza-tricyclo[8.2.1.02,7]trideca-2,6-dien-11-yl ester

3'-O-acetyl-2'-O-triflyl-4,5'-anhydro-1-methyl-ψ-uridine

4,5'-anhydro-5-(3'-O-acetyl-2'-azido-2'-deoxy-β-D-arabinofuranosyl)-1-methyluracil

4,5'-anhydro-1-methyl-5-(2',3'-di-O-acetyl-β-D-arabinofuranosyl)uracil

PSEUDOTHYMIDINE

Acetic acid (1S,10R,11R,12R)-12-bromo-4-methyl-5-oxo-8,13-dioxa-4,6-diaza-tricyclo[8.2.1.02,7]trideca-2,6-dien-11-yl ester

Acetic acid (2R,3S,4R,5S)-4-azido-2-hydroxymethyl-5-(1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-tetrahydro-furan-3-yl ester

2'-O-acetyl-4,5'-anhydro-1-methyl-ψ-uridine

5-(2'-azido-2'-deoxy-β-D-arabinofuranosyl)-1-methyluracil

5-(β-D-arabinofuranosyl)-1-methyluracil

Acetic acid (2R,3R,4R,5S)-4-chloro-2-hydroxymethyl-5-(1-methyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-tetrahydro-furan-3-yl ester

1-methyl-5-(2',3'-O-carbonyl-5'-O-mesyl-β-D-ribofuranosyl)uracil

4,5'-anhydro-1-methyl-5-(β-D-ribofuranosyl)uracil

5-((2S,3S,4R,5R)-3-Bromo-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-1-methyl-1H-pyrimidine-2,4-dione