Chemical Name : 3,3',4,4'-biphenyltetracarboxylic di-anhydride
CAS : 2420-87-3
2,4-Difluoronitrobenzene
2-Bromo-1,4-dimethoxybenzene
4,6-dichlorobenzene-1,3-diamine
1-Bromo-3-fluoro-4-iodobenzene
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