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CAS NO:81506-63-0
CAS:
81506-63-0
英文名称:
hexanedioic acid, polymer with 1,4-butanediol, 2,3-dibromo-2-butene-1,4-diol an
hexanedioic acid, polymer with 1,4-butanediol,2,3-dibromo-2-butene-1,4-diol and