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CAS NO:69898-53-9
CAS:
69898-53-9
英文名称:
1,4-benzenedicarboxylic acid, polymer with 1,4-butanediol, 1,2-ethanediol and n
1,4-benzenedicarboxylic acid, polymer with1,4-butanediol, 1,2-ethanediol and nonanedioic acid