Synonyms: AC1O5BS7;(Chloromethyl)oxirane, phthalic anhydride, isophthalic acid polymer;1,3-Benzenedicarboxylic acid, polymer with (chloromethyl)oxirane and 1,3-isobenzofurandione;benzene-1,3-dicarboxylic acid; 2-benzofuran-1,3-dione; 2-(chloromethyl)oxirane;1,3-Benzenedicarboxylic acid, polymer with 2-(chloromethyl)oxirane and 1,3-isobenzofurandione;67846-32-6