CFR 40-721.10721-2014
Protection of Environment. Part721:Significant new uses of chemical substances. Section721.10721:Poly(oxy-1,2-ethanediyl),.alpha.,.alpha.′-[(1-methylethylidene)di-4,1-phenylene] bis[.omega.-[[6-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxohexyl]oxy]-.