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Calamistrin E. the first Annonaceous acetogenin with C=C bond in the aliphatic chain from the genus Uvaria was isolated from U calamistrata. Its structure including relative and absolute configurations was determined by chemical derivation and spectral analysis.
Calamistrin E. the first Annonaceous acetogenin with C = C bond in the aliphatic chain from the genus Uvaria was isolated from U calamistrata. Its structure including relative and absolute configurations was determined by chemical derivation and spectral analysis.