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Carl Gräbe

Carl Gräbe (or Carl Graebe; February 24, 1841 - January 19, 1927), German chemist.

Together with Carl Lieberman, he synthesized the orange-red dye alizarin in 1868.

He also introduced the "ortho", "meta" and "para" nomenclature on benzene rings.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Carl_Gräbe". A list of authors is available in Wikipedia.
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