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CAS NO:68334-46-3
CAS:
68334-46-3
英文名称:
poly[oxy(methyl-1,2-ethanediyl)], alpha, alpha'-1,2-ethanediylbis[ omega -[[[[4
-[(4-isocyanatophenyl)methyl]phenyl]amino]carbonyl]oxy]-
poly[oxy(methyl-1,2-ethanediyl)], alpha,alpha'-1,2-ethanediylbis[ omega
