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CAS NO:68456-04-2
CAS:
68456-04-2
英文名称:
2-oxepanone, polymer with 1,4-butanediol, 1,3-diisocyanatomethylbenzene and 2,2
2-oxepanone, polymer with 1,4-butanediol,1,3-diisocyanatomethylbenzene and 2,2'-oxybis[ethanol]
