68084-47-9 Poly(oxy-1,2-ethanediyl), alpha,alpha'-(butylidenebis(2-(1,1-dimethylethyl)-5-methoxy-4,1-phenylene))bis(omega-hydroxy- Poly(oxyethylene), alpha,alpha'-(butylidenebis(2-tert-butyl-5-methoxy-4,1-phenylene))bis(omega-hydroxy-