BIOPARTICLE OPSONIZING REAGENTS FOR S CEREVISIAE (ZYMOSAN);POLY(PROPYLENE GLYCOL) DIBENZOATE;ZYMOSAN A OPSONIZING REAGENT;ZYMOSAN A (S CEREVISIAE);2-ethanediyl)],.alpha.-benzoyl-.omega.-(benzoyloxy)-Poly[oxy(methyl-1;alpha-benzoyl-omega-(benzoyloxy)-poly[oxy(methyl-2-ethanediyl)];Polyoxypropylenedibenzoate;1,2-Propanediyldibenzoate