1h-pyrrole-2,5-dione, 1-[2-(2-aminoethoxy)ethyl]-, 2,2,2-trifluoroacetate (1:1); 1-(2-(2-Aminoethoxy)ethyl)-1H-pyrrole-2,5-dione 2,2,2-trifluoroacetate; 1-[2-(2-aminoethoxy)ethyl]-2,5-dihydro-1H-pyrrole-2,5-dione trifluoroacetate; 1-[2-(2-Aminoethoxy)ethyl]pyrrole-2,5-dione;