Poly[oxy(methyl-1,2-ethanediyl)], α,α'-[[[4-(ethoxycarbonyl) phenyl]imino]bis(methyl-2,1-ethanediyl )]bis[ω-hydroxy-

Polyoxy(methyl-1,2-ethanediyl), .alpha.,.alpha.-4-(ethoxycarbonyl)phenyliminobis(methyl-2,1-ethanediyl)bis.omega.-hydroxy-