Compound spirit of ether
File:Friedrich Hoffmann.jpg
Friedrich Hoffmann (1660–1742), was a German physician.
Compound spirit of ether, also called Hoffmann's anodyne, Hoffmann's drops, or aetheris spiritus compositus, is a solution of one part diethyl ether in three parts alcohol.<ref>Werner Gerabek: Enzyklopädie Medizingeschichte. Berlin 2005, p. 610. [1] Template:In lang</ref> It is used traditionally as an anodyne or as a hypnotic. Its use as a drug was introduced by Friedrich Hoffmann.<ref>T. Kleij: Zur Entwicklungs- und Herstellungsgeschichte der "Hoffmannstropfen" und ihrer Darstellung und Interpretation in den medizinischen Werken des 19. und 20. Jahrhunderts. Dresden, 2003. Template:In lang</ref>