Synonyms:
benzophenonetetracarboxylic anhydride ; notavailable ; labotest-bb lt02097910 ; 4,4'-carbonyldiphthalic anhydride ; 4,4'-carbonylbis[phthalic anhydride] ; btda ; 4,4'-diphthalic anhydride ketone ; phthalic anhydride, 4,4'-carbonyldi- ; 5,5'-carbonylbis-3-isobenzofurandione ; btda~4,4-carbonyldiphthalic anhydride