File:EphedrineInBottles.jpg

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current21:43, 5 October 2005Thumbnail for version as of 21:43, 5 October 2005363 × 400 (26 KB)Octavio Lephedrine In 1887 Nagajoshi Nagai (1845­1929), a Japanese researcher working in Germany, isolated ephedrine as the active ingredient of ma huang but found the substance to be highly toxic. In the 1920s, Chinese pharmacologist Ko Kuei Chen (1898­1988)

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