英文名称: | 2-ethanediyl) , .alpha., .alpha.'-(thiodi-2,1-ethanediyl)bis[.omega.- butoxy]-Poly(oxy-1 | poly(oxy-1,2-ethanediyl), alpha, alpha'-(thiodi-2,1-ethanediyl)bis[ omega -buto | alpha,alpha'-(thiodi-2,1-ethanediyl)bis[ omega -butoxy-poly(oxy-2-ethanediyl) | Poly(oxy-1,2-ethanediyl),.alpha.,.alpha.'-(thiodi-2,1-ethanediyl)bis[.omega.-butoxy]- |
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