197915-48-3 2H-Pyran-2-one, 6-[2-(4-aminophenyl)ethyl]-6-cyclohexyl-3-[[2-(1,1-dimethylethyl)-4-(hydroxymethyl)-5-methylphenyl]thio]-5,6-dihydro-4-hydroxy- 4-Hydroxy-5,6-dihydropyrone deriv. AIDS-056999 AIDS056999