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CAS NO:68225-49-0
CAS:
68225-49-0
英文名称:
poly(oxy-1,4-butanediyl), alpha-[[[3-isocyanato-4(or 6)-methylphenyl]amino]carb
onyl]- omega -[[[[3-isocyanato-4(or 6)-methylphenyl]amino]carbonyl]oxy]-
poly(oxy-1,4-butanediyl), alpha-[[[3-isocyanato-4(or
