Chemical Name : 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS : 2421-28-5
Synonyms: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride;4,4'-Carbonyldiphthalic anhydride;Benzophenone-3,3',4,4'-tetracarboxylic dianhydride;Benzophenonetetracarboxylic acid dianhydride;Benzophenone-tetracarboxylic-dianhydride;Bis-(3-phthalyl anhydride) ketone;Btda;Labotest-bb lt02097910
Tetra

![4-BROMO-1H-PYRAZOLO[3,4-B]PYRIDINE](https://thsciimg.chemcd.cn/TS86712.gif)

