6-Benzyl-1-(ethoxymethyl)-5-isopropyluracil & Butanoic acid, octahydro-1,7,8-trihydroxy-6-indolizinyl ester, [1S-(1.alpha.,6.beta.,7.alpha.,8.beta.)]- AIDS-043344 AIDS043344 MKC-442 & MDL-28574