71550-40-8 Poly(oxy-1,2-ethanediyl), alpha,alpha'-(butylidenebis(2-(1,1-dimethylethyl)-5-methyl-4,1-phenylene))bis(omega-hydroxy- Poly(oxyethylene), alpha,alpha'-(butylidenebis(2-tert-butyl-5-methyl-4,1-phenylene))bis(omega-hydroxy-