197915-36-9 2H-Pyran-2-one, 3-[[2-(1,1-dimethylethyl)-4-(hydroxymethyl)-5-methylphenyl]thio]-5,6-dihydro-4-hydroxy-6-[2-(3-hydroxyphenyl)ethyl]-6-phenyl- 4-Hydroxy-5,6-dihydropyrone deriv. AIDS-056987 AIDS056987