prov:value
| - triphosphate, a stabilized phosphate prodrug,acyl, phosphate, phosphonate, a lipid or an amino acid; and R.sup.3 is acyl, alkyl, phosphate, or other pharmaceutically acceptable leaving group which when administered in vivo, is capable of being cleaved to the parent compound, or a pharmaceuticallyacceptable salt thereof, optionally in combination with a pharmaceutically acceptable carrier.2.
|