2-[Aza(4-ethoxyphenyl)methylene]-3-[4-(4-{2-[aza(4-ethoxyphenyl)methylene]-4-oxo-5-(phenylmethylene)(1,3-thiazolidin-3-yl)}-3-methylphenyl)-2-methylphenyl]-5-(phenylmethylene)-1,3-thiazolidin-4-one AIDS-027947 AIDS027947