1,3, 5-Triazin-2(1H)-one, 4-amino-1-(2-deoxy--D-erythro-pentofuranosyl)- 2353-33-5 5-AZAdC 5-Aza-2'-deoxycytidine 5-aza-dC AIDS-000616 AIDS000616 Decitabine NSC127716