AIDS-182008 AIDS182008 benzenepropanoic acid, .beta.-(benzoylamino)-.alpha.-hydroxy-, (4S,4aR,6R,7aS,8S)-1,3,4,4a,5,6,7,7a,8,9-decahydro-8-hydroxy-6-(hydroxymethyl)-6,8-dimethyl-1-oxoazuleno[5,6-c]furan-4-yl ester, (.alpha.R,.beta.S)-