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CAS NO:54323-18-1
CAS:
54323-18-1
英文名称:
lbenzene and alpha-hydro- omega -hydroxypoly(oxy-1,4-butanediyl)
1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-, polymerwith 1,3-diisocyanatomethylbenzene and alpha-hydro- omega-hydroxypoly(oxy-1,4-butanediyl)