title: 5-membered azaheterocycles and their nucleosides.
mesh_terms: D000998:Antiviral Agents; D001372:Aza Compounds / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects; D055598:Chemical Phenomena; D002621:Chemistry; D009705:Nucleosides / Q000494:pharmacology*; D012254:Ribavirin / Q000494:pharmacology / Q000633:toxicity; D013329:Structure-Activity Relationship
chemical_list: D000998:Antiviral Agents; D001372:Aza Compounds; D009705:Nucleosides; D012254:Ribavirin