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CAS NO:20719-20-4
CAS:
20719-20-4
英文名称:
4'-(terephthaloylbis(imino-p-phenyleneimino))bis(1-propyl- di-p-pyridiniu
4,4'-(terephthaloylbis(imino-p-phenyleneimino))bis(1-propyl-pyridiniu di-p-toluenesulfonate