Chemical Name : 3,3',4,4'-biphenyltetracarboxylic di-anhydride
CAS : 2420-87-3
1-氯-2,4,6-三氟苯
3,4,5-三氯硝基苯
1-溴-2,5-二甲氧基苯
1,3-二碘苯
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