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CAS NO:9045-12-9
CAS:
9045-12-9
英文名称:
ga -hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis[4-isocyanatocyclohexa
cyclohexanemethanamine, 5-amino-1,3,3-trimethyl-,polymer with alpha-hydro- omega -hydroxypoly(oxy-1,4-butanediyl) and