Paramethadionum, Paradione, paramethadione, Paradione (TN), Parametadione [DCIT], 5-Ethyl-3,5-dimethyloxazolidine-2,4-dione, Paramethadion, Paramethadionum [INN-Latin], Parametadiona [INN-Spanish], Isoethadione, Parametadiona, Parametadione, 5-Aethyl-3,5-dimethyl-oxazolidin-2,4-dion, 5-ethyl-3,5-dimethyl-oxazolidine-2,4-dione, 3,5-Dimethyl-5-ethyl-2,4-oxazoldion