fruticosine
National Institutes of Health
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1D and 2D NMR techniques were used to assign fully the spectra of three aspidofractinine alkaloids, kopsine (1), fruticosamine (2…
Fruticosine and fruticosamine from Kopsia fruticosa(Ker) A.DC. are isomeric heptacyclic alkaloids, C22H24N2O4, and they differ…