Cytotoxic alkaloids from the flatworm Prostheceraeus villatus and its tunicate prey Clavelina lepadiformis

Cytotoxic alkaloids from the flatworm Prostheceraeus villatus and its tunicate prey Clavelina lepadiformis Lepadiformine, a new marine cytotoxic alkaloid from Clavelina lepadiformis Müller Insights into Cytotoxic Behavior of Lepadins and Structure Elucidation of the New Alkaloid Lepadin L from the Mediterranean Ascidian Clavelina lepadiformis Convolutamines A-E, Novel β-Phenylethylamine Alkaloids from Marine Bryozoan <i>Amathia convoluta</i> Lepadin A, A decahydroquinoline alkaloid from the tunicate Clavelina lepadiformis Cystodytins D-I, New Cytotoxic Tetracyclic Aromatic Alkaloids from the Okinawan Marine Tunicate Cystodytes dellechiajei Three new proaporphine alkaloids fromCissampelos capensisL.f. and their cytotoxic evaluation Three new cytotoxic alkaloids, aplaminone, neoaplaminone and neoaplaminone sulfate from the marine mollusc aplysia kurodai Pyrrolizidine Alkaloids from the Roots of Paris verticillata Haterumaimides J and K, Potent Cytotoxic Diterpene Alkaloids from the Ascidian Lissoclinum Species