. . . . . . . . . "Etamivan"@en . . . . . . . . . . "304-84-7"@en . . . . . . . . . . "Etamivan (INN) or ethamivan (USAN), trade name Analepticon, is a respiratory stimulant drug related to nikethamide. It is no longer used in the United States. "@en . . . "U.S. Patent 2,641,612."@en . "Ethamivan"@en . . "withdrawn"@en . . .