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CAS NO:72968-67-3
CAS:
72968-67-3
英文名称:
s[benzenamine] and 3,3'-[sulfonylbis(4,1-phenyleneoxy)]bis[benzenamine]
5-isobenzofurancarboxylic acid,1,3-dihydro-1,3-dioxo-, polymer with 4,4'-oxybis[benzenamine] and3,3'-[sulfonylbis(4,1-phenyleneoxy)]bis[benzenamine]