Synonyms: 4 4'-CARBONYLBIS[2-(ETHOXYCARBONYL)BENZ&;1,2-benzenedicarboxylicacid,4,4’-carbonylbis-,ar,ar’-dietylestercompd.wit;h1,3-benzenediamine;ith1,3-benzenediamine;skybond2595;diethyl 4,4'-carbonylbis(hydrogen phthalate), compound with benzene-m-diamine;AROMATICPOLYIMIDEPRECURSOR;1,2-Benzenedicarboxylic acid, 4,4'-carbonylbis-, ar,ar'-diethyl ester, compd. with 1,3-benzenediamine