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CAS NO:68758-94-1
CAS:
68758-94-1
英文名称:
y-1,4-butanediyl), 1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-(methylimino
)bis[ethanol]
1,3-propanediol, 2,2-dimethyl-, polymer withalpha-hydro- omega -hydroxypoly(oxy-1,4-butanediyl),