197915-32-5 2H-Pyran-2-one, 3-[[2-(1,1-dimethylethyl)-5-methylphenyl]thio]-5,6-dihydro-4-hydroxy-6-(4-hydroxyphenyl)-6-(2-phenylethyl)- 4-Hydroxy-5,6-dihydropyrone deriv. AIDS-056983 AIDS056983