Chemical Name : 3,3',4,4'-biphenyltetracarboxylic di-anhydride
CAS : 2420-87-3
2-Bromo-5-chloronitrobenzene
1-Bromo-3,5-dichloro-4-iodobenzene
1-Bromo-2-chlorobenzene
1,2-Dimethyl-3-iodobenzene
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