New pentapeptides from Aster tataricus

New pentapeptides from Aster tataricus Oligopeptides from Aster tataricus 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. Two Novel Monochlorinated Cyclic Pentapeptides, Astins D and E from <i>Aster tataricus</i> Structures and conformation of antitumour cyclic pentapeptides, astins A, B and C, from Aster tataricus Cyclopeptides from the roots of Pseudostellaria heterophylla Pseudostellarins A - C, new tyrosinase inhibitory cyclic peptides from Pseudostellaria heterophylla Cyclic Peptides from Higher Plants, Part 15, Pseudostellarin H, a New Cyclic Octapeptide from Pseudostellaria heterophylla Cyclic Peptides from Higher Plants, Part 15, Pseudostellarin H, a New Cyclic Octapeptide from Pseudostellaria heterophylla