1. Registered Substances. 1-ethylpyrrolidin-2-one. Toxicological Information;European Chemical Bureau (ECHA),2006
2. Committee for Risk Assessment RAC. Annex 1. Background Document to the Opinion Proposing Harmonised Classification and Labelling at Community Level of N-ethyl-2-pyrrolidone (NEP);European Chemical Bureau (ECHA) a,2011
3. Committee for Risk Assessment RAC Opinion Proposing Harmonised Classification and Labelling at Community Level of N-ethyl-2-pyrrolidone (NEP);European Chemical Bureau (ECHA) b,2011
4. Registered Substances. 1-ethylpyrrolidin-2-one. Toxicological Information;European Chemical Bureau (ECHA) c,2011