27252-69-3 51247-56-4 79122-38-6 Poly(oxy-1,2-ethanediyl), alpha-(2-chloroethyl)-omega-(2-chloroethoxy)- Polyethylene glycol 400, dichloride alpha,omega-Dichloropolyethylene glycol alpha-(2-Chloroethyl)-omega-(2-chloroethoxy)poly(oxy-1,2-ethanediyl)