Synonyms: 1,3-Benzenedicarboxylic acid, polymer with 2-(chloromethyl)oxirane and 1,3-isobenzofurandione;(Chloromethyl)oxirane, phthalic anhydride, isophthalic acid polymer;1,3-Benzenedicarboxylic acid, polymer with (chloromethyl)oxirane and 1,3-isobenzofurandione;2-(chloromethyl)oxirane; isobenzofuran-1,3-dione; isophthalic acid