197915-37-0 2H-Pyran-2-one, 6-[2-(4-aminophenyl)ethyl]-3-[[2-(1,1-dimethylethyl)-4-(hydroxymethyl)-5-methylphenyl]thio]-5,6-dihydro-4-hydroxy-6-phenyl- 4-Hydroxy-5,6-dihydropyrone deriv. AIDS-056988 AIDS056988