N-[3-(2'-deoxy-6-azauridin-5-yl)prop-2-ynyl]octanamide

N-[3-(2'-deoxy-6-azauridin-5-yl)-2-oxopropyl]octanamide

5-isopropyl-3',5'-di-O-p-toluoyl-2'-deoxy-6-azauridine

1-(3,5-di-O-benzyl-2-deoxy-α-D-erythro-pentofuranosyl)thymine