Synonyms: Acetic acid, 2,2’-phenoxydi-, dianhydride with N,N’-vinylenedicarbamic acid;Carbamic acid, N,N’-vinylenedi-, dianhydride with phenoxyacetic acid;N,N’-Vinylenebis(phenoxyacetic acid carbamic acid anhydride);[(E)-2-[(2-phenoxyacetyl)oxycarbonylamino]ethenyl]carbamoyl 2-phenoxyacetate