Chemical Name : 3,3',4,4'-biphenyltetracarboxylic di-anhydride
CAS : 2420-87-3
1-Bromo-2-chloro-3,5-difluorobenzene
1-Bromo-2-isopropyl benzene
5-Bromo-1,3-Difluoro-2-(2,2,2-Trifluoroethoxy)Benzene
2-Bromo-3,4-difluoro-1-nitrobenzene
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