Wikipedia:  

Uridine

Uracil, 1-beta-D-ribofuranosyl-; 1-beta-D-Ribofuranosyluracil; URIDINE; Uridin; Uracil riboside; Uridine; Urd
Molecular Formula
C9 H12 N2 O6
Natural Isotopic Abundance Mass
244.2013800000
Mono-Isotopic Molecular Masses
C12N14:   244.069536128
C13N14:   253.099729668
C12N15:   246.063605915
C13N15:   255.0937994548
Uridine image
Uridine
InCHi String:
InChI=1S/C9H12N2O6/c12-3-4-6(14)7(15)8(17-4)11-2-1-5(13)10-9(11)16/h1-2,4,6-8,12,14-15H,3H2,(H,10,13,16)/t4-,6-,7-,8-/m1/s1

isomeric SMILES:
C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O
canonical SMILES:
C1=CN(C(=O)NC1=O)C2C(C(C(O2)CO)O)O


IUPAC: IUPAC systematic
1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

IUPAC traditional
1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-methylol-tetrahydrofuran-2-yl]pyrimidine-2,4-quinone

IUPAC cas: IUPAC openeye
1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidine-2,4-dione



PubChem Substance (SID):   85164984   148890   3593
PubChem Compound (CID):   6029
KEGG: Compound ID   C00299
CAS Registry IDs:   12693-39-9   58-96-8   68184-15-6
PDB Chemical Component   URI
Miscellaneous Databases and IDs:   CHEBI 16704   EINECS 200-407-5   NSC 20256

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.