Pictamine, a quinolizidine alkaloid from the tunicate clavelina picta

Pictamine, a quinolizidine alkaloid from the tunicate clavelina picta Clavepictines A and B: cytotoxic quinolizidines from the tunicate Clavelina picta The piclavines, antimicrobial indolizidines from the tunicate Lepadin A, A decahydroquinoline alkaloid from the tunicate Clavelina lepadiformis Violatinctamine, a new heterocyclic compound from the marine tunicate Cystodytes cf. violatinctus Picratidine, a New Indole Alkaloid from Picralima nitida Seeds Three New Alkaloids from the Marine Tunicate <i>Cystodytes violatinctus</i> Cylindricines A and B, novel alkaloids from the ascidian clavelina cylindrica Diplamine, a cytotoxic polyaromatic alkaloid from the tunicate diplosoma sp. Sulcatin, a Novel Antiproliferative N-Methylpyridinium Alkaloid from the Ascidian Microcosmus vulgaris