Circular Dichroism Spectra of the Quaternary Bisbenzylisoquinoline Alkaloids from Stephania tetrandra
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Graphical Abstract
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Abstract
The circular dichroism (CD) spectra of the quaternary bisbenzylisoquinoline (QBBI) alkaloids from Stephania tetrandra S. Moore (Menispermaceae) were considered with the aim of dealing with the CD spectra of QBBI alkaloids. The results obtained showed that
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