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CAS NO:68443-70-9
CAS:
68443-70-9
英文名称:
- omega -hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis[4-isocyanatocycl
propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-,polymer with alpha-hydro- omega -hydroxypoly(oxy-1,4-butanediyl) and