Pyrimidines and their nucleosides.
D000998:Antiviral Agents; D002241:Carbohydrates; D055598:Chemical Phenomena; D002621:Chemistry; D003561:Cytarabine / Q000494:pharmacology; D003841:Deoxycytidine / Q000494:pharmacology; D003857:Deoxyuridine / Q000032:analysis / Q000494:pharmacology; D011741:Pyrimidine Nucleosides / Q000494:pharmacology*; D011743:Pyrimidines / Q000494:pharmacology*; D014271:Trifluridine / Q000494:pharmacology
D000998:Antiviral Agents; D002241:Carbohydrates; D011741:Pyrimidine Nucleosides; D011743:Pyrimidines; D003561:Cytarabine; D003841:Deoxycytidine; D014271:Trifluridine; D003857:Deoxyuridine