Chemical Name : 3,3',4,4'-biphenyltetracarboxylic di-anhydride
CAS : 2420-87-3
1-Chloro-3-fluorobenzene
1,2-Dichlorobenzene
1-Chloro-2,4-dimethoxybenzene
2-Fluoro-6-methylBenzenesulfonylchloride
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