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A new alkaloid, lycodine, C 17 H 24 N 2 , m.p. 118°, has been isolated from Lycopodium annotinum. Lycodine is a tetracyclic diacidic base containing a secondary nitrogen atom, a 2,3-disubstituted pyridine ring, and a C-methyl group. The 2,3-disubstitution is in the form of a saturated six-membered ring.
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Anet et al. (1958) studied this question.
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