| 英文名称: | | 2-ethanediyl), .alpha.,.alpha.'-1,4-butanediylbis[.omega.-hydroxy-Poly(oxy-1 | | alpha, alpha'-1,4-butanediylbis[ omega -hydroxy-poly(oxy-2-ethanediyl) | | alpha,alpha'-1,4-butanediylbis[ omega -hydroxy-poly(oxy-2-ethanediyl) | | Poly(oxy-1,2-ethanediyl),.alpha.,.alpha.'-1,4-butanediylbis[.omega.-hydroxy- |
|