title: Photo- and stereochemistry of 5,6-methylenepyrimidine nucleosides, bicylic isomers of thymidine, and 5-methyluridine.
mesh_terms: D001952:Bridged-Ring Compounds; D009682:Magnetic Resonance Spectroscopy; D009705:Nucleosides / Q000138:chemical synthesis*; D009905:Optical Rotatory Dispersion; D010777:Photochemistry; D013237:Stereoisomerism; D013936:Thymidine; D014529:Uridine
chemical_list: D001952:Bridged-Ring Compounds; D009705:Nucleosides; D013936:Thymidine; D014529:Uridine