3TC & MKC-442 6-Benzyl-1-(ethoxymethyl)-5-isopropyluracil AIDS-080905 AIDS080905 EMV+3TC cis-1-[2'-Hydroxymethyl-5'-(1,3-oxathiolanyl)]cytosine & 2,4(1H,3H)-Pyrimidinedione, 1-(ethoxymethyl)-5-(1-methylethyl)-6-(phenylmethyl)-