82312-38-7 Poly(oxy(methyl-1,2-ethanediyl)), alpha-(2-(diethylmethylammonio)ethyl)-omega-hydroxy-,acetate (salt) Poly(oxy(methyl-1,2-ethanediyl)),alpha-(2-(diethylmethylammonio)ethyl)-omega-hydroxy-,acetate (1:1) (salt)