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CAS NO:68133-53-9
CAS:
68133-53-9
英文名称:
1,4-benzenedicarboxylic acid, polymer with 1,2-ethanediol, nonanedioic acid and
1,4-benzenedicarboxylic acid, polymer with1,2-ethanediol, nonanedioic acid and 2-oxepanone