Synonyms: Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.’-[(methyloctadecyliminio)di-2,1-ethanediyl] bis[.omega.-hydroxy-, methyl sulfate (salt);Poly(oxy-1,2-ethanediyl), α,α’-[(methyloctadecyliminio) di-2,1-ethanediyl]bis[ω-hydroxy -, methyl sulfate (salt)