Synonyms: Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.-methyl-(9Z)-9-octadecenyliminiodi-2,1-ethanediylbis.omega.-hydroxy-, methyl sulfate (salt);Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.’-[(methyl-9-octadecenyliminio)di-2,1-ethanediyl] bis[.omega.-hydroxy-, (Z)-, methyl sulfate (salt)