Chemical Name : 3,3',4,4'-biphenyltetracarboxylic di-anhydride
CAS : 2420-87-3
2,4-Dimethylbenzenesulfonyl chloride
4-Fluoronitrobenzene
1,2-Bis(bromomethyl)benzene
2,3,5,6-Tetrafluoronitrobenzene
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