Aporphine and tetrahydrobenzylisoquinoline alkaloids from the seeds ofZizyphus vulgaris var. spinosus

Aporphine and tetrahydrobenzylisoquinoline alkaloids from the seeds ofZizyphus vulgaris var. spinosus Alkaloids of Ziziphus jujuba the structure of juziphine and juzirine Cyclic peptide and peptide alkaloids from seeds ofZizyphus vulgaris Alkaloids are the sedative principles of the seeds ofZizyphus vulgaris var.spinosus Cyclopeptide alkaloids of Zizyphus oenoplia Nummularine-O, a cyclopeptide alkaloid from Zizyphus nummularia Nummularine-s: A cyclopeptide alkaloid from stem bark of Zizyphus nummularia Cyclopeptide alkaloids from Zizyphus spina-christi A New Alkaloid of Nelumbo nucifera Isolation of 1-(p-Hydroxybenzyl)-6, 7-dihydroxy-1, 2, 3, 4-tetrahydroisoquinoline (demethylcoclaurine), an Active Alkaloid from Nelumbo nucifera