28761-54-8 Poly(oxy-1,2-ethanediyl), alpha-(1,1'-biphenyl)-4-omega-hydroxy- Poly(oxy-1,2-ethanediyl), alpha-(1,1'-biphenyl)-4-yl-omega-hydroxy- alpha-(1,1'-Biphenyl)-4-omega-hydroxypoly(oxy-1,2-ethanediyl) p-Phenylphenoxy polyethylene glycol para-Phenylphenoxypolyethylene glycol