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CAS NO:75477-03-1
CAS:
75477-03-1
英文名称:
isocyanatomethylbenzene and 1,1'-methylenebis[4-isocyanatobenzene]
1,3-benzenedicarboxylic acid, polymer with1,4-benzenedicarboxylic acid, 1,3-diisocyanatomethylbenzene and
