p. 15535 - 15551
(1997)α-[5-(2-t-butoxycarbamylethoxy)-(3,5-biscarbonylphenyl)]-ω-(tetra-oxymethyl)-poly[iminoethoxy-(3,5-bis(carbonylphenyl))]
dimethyl 5-((-2-((tert-butyloxy)carbonyl)amino)ethoxy)benzene-1,3-dicarboxylate
5-((-2-((tert-butyloxy)carbonyl)amino)ethoxy)benzene-1,3-dicarboxylic acid
5-(2-phthalimidoethoxy)-isophthalic acid