209689-28-1 2-Oxepanone,polymer with 1,2-ethanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane,2-oxepanone homopolymer(5-sulfo-1,3-phenylene)bis(carbonyloxy-2,1-ethanediyloxy-2,1-ethanediyl) estermonosodium salt and 2,2'-oxybis[ethanol], reaction p