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CAS NO:80937-20-8
CAS:
80937-20-8
英文名称:
4-dichlorophenyl)-4-oxo- 4-( (e)-2-butenoic aci
(e)-4-(3,4-dichlorophenyl)-4-oxo-2-butenoic acid
acide (e)4-(3,4-dichloro-phenyl)4-oxo 2-butenoique