(+/-)-1H-Imidazole-4-sulfonic acid, 1-methyl-, 4-[[5,6-dihydro-4-hydroxy-6-[2-(4-hydroxyphenyl)ethyl]-2-oxo-6-propyl-2H-pyran-3-yl]thio]-5-(1,1-dimethylethyl)-2-methylphenyl ester 263842-94-0 AIDS-089249 AIDS089249