AIDS-155066 AIDS155066 Rp/Sp-.gamma.-t-butyl SATE.alpha.-borano-.beta.,.gamma.-CF2-AZT-TP Rp/Sp-Thymidine, 5'-(.alpha.-borano-, .gamma.-S-pivaloyl-2-thioethyl-.beta.,.gamma.-difluoromethylene, triphosphate), 3'-azido-3'-deoxy-