DNA chain termination activity and inhibition of human immunodeficiency virus reverse transcriptase by carbocyclic 2',3'-didehydro-2',3'-dideoxyguanosine triphosphate

DNA chain termination activity and inhibition of human immunodeficiency virus reverse transcriptase by carbocyclic 2',3'-didehydro-2',3'-dideoxyguanosine triphosphate