(+)-Carbovir triphosphate 1'-.beta.-L Carbovir 5'-triphosphate 144606-93-9 AIDS-071305 AIDS071305 L-CBVTP Triphosphoric acid, P-[[4-(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)-2-cyclopenten-1-yl]methyl] ester, (1R-cis)-