2'-O-(4-Methylphenylsulfonyl)uridine

4-Methylbenzenesulfonic acid 2'-deoxyuridin-2'-yl ester

1-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-(4-methylphenyl)sulfony loxy-oxolan-2-yl]pyrimidine-2,4-dione