Two Novel Monochlorinated Cyclic Pentapeptides, Astins D and E from Aster tataricus

Two Novel Monochlorinated Cyclic Pentapeptides, Astins D and E from <i>Aster tataricus</i> A Novel Cyclic Pentapeptide with a β-Hydroxy-γ-chloroproline from <i>Aster tataricus</i> Cyclic Peptides from Higher Plants. Part XII. Structure of a New Peptide, Astin J, from Aster tataricus. Structures and conformation of antitumour cyclic pentapeptides, astins A, B and C, from Aster tataricus New pentapeptides from Aster tataricus Oligopeptides from Aster tataricus Two Novel Cyclic Peptides, Yunnanins A and B from <i>Stellaria yunnanensis</i> Structural and Conformational Analysis of Hydroxycyclochlorotine and Cyclochlorotine, Chlorinated Cyclic Peptides from <i>Penicillium islandicum</i> Cyclic Peptides from Higher Plants. Part 30. Three Novel Cyclic Peptides, Yunnanins D, E and F from Stellaria yunnanensis Cyclopeptides from Stellaria yunnanensis