Xylopyrine-A and xylopyrine-B, two new peptide alkaloids from Zizyphus xylopyra

Xylopyrine-A and xylopyrine-B, two new peptide alkaloids from <i>Zizyphus xylopyra</i> Two new 14-membered cyclopeptide alkaloids fromZizyphus xylopyra Xylopyrine-C, a new cyclopeptide alkaloid fromZizyphus xylopyra Three new cyclopeptide alkaloids fromZizyphusspecies Xylopyrine-F, a new cyclopeptide alkaloid fromZizyphus xylopyra Two new isoflavone glycosides from Pueraria lobata Peptide alkaloids from Zizyphus species A new 14-membered cyclopeptide alkaloid from<b>Zizyphus oxyphylla</b> Cyclopeptide alkaloids from Zizyphus spina-christi Cyclopeptide alkaloids of Zizyphus oenoplia