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In an attempt to provide a derivative of 3'-azido-3'-deoxythymidine (AZT) which might be sequestered in the central nervous system and release AZT, the dihydropyridine ester 5'-(1,4-dihydro-1-methyl-3-pyridinylcarbonyl)-3'-deoxythymidine, was synthesized in a three step sequence. This material showed potent anti-HIV-1 activity in MT-4 cells most probably by hydrolysis to the parent nucleoside, AZT...
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