1,3,5-Triazin-2(1H)-one, 4-amino-1-(2,3,5-tri-O-acetyl-.beta.-D-ribofuranosyl)- 10302-78-0 NSC291930 s-Triazin-2(1H)-one, 4-amino-1-.beta.-D-ribofuranosyl-, triacetate (ester)