Study on the Major Alkaloids of Alphonsea monogyma
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Graphical Abstract
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Abstract
s A new azafluorenone(onychine) alkaloid, 6,7 dimethoxy 5 hydroxy onychine, and four known alkaloids, liriodenine, cyathocaline, isooncodine and darienine, were isolated from \%Alphonsea monogyma\%, by alcohol percolation and silica gel column chromat
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