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Pyridine from Niacin - Doug's Lab
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How to make Pyridine from Vitamin B3 (+ copper chromite cat.) - Extractions&Ire
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Preparation of Pyridine - magpie - Sciencemadness Discussion Board
http://www.sciencemadness.org/talk/viewthread.php?tid=13130 -
Copper chromite
copper-chromite