Amphitoxin, a New High Molecular Weight Antifeedant Pyridinium Salt from the Caribbean Sponge Amphimedon compressa

Amphitoxin, a New High Molecular Weight Antifeedant Pyridinium Salt from the Caribbean Sponge Amphimedon compressa Pyrinodemins B-D, Potent Cytotoxic bis-Pyridine Alkaloids from Marine Sponge Amphimedon sp. Pyrinodemins B-D, Potent Cytotoxic bis-Pyridine Alkaloids from Marine Sponge Amphimedon sp. Pyrinodemin A, a cytotoxic pyridine alkaloid with an isoxazolidine moiety from sponge Amphimedon sp Pyrinodemins G–I, new bis-3-alkylpyridine alkaloids from a marine sponge Amphimedon sp. Pyrinodemins E and F, new 3-alkylpyridine alkaloids from sponge Amphimedon sp. Nakinadines B–F: new pyridine alkaloids with a β-amino acid moiety from sponge Amphimedon sp. Nakinadine A, a novel bis-pyridine alkaloid with a β-amino acid moiety from sponge Amphimedon sp. Evaluation of Pyridoacridine Alkaloids in a Zebrafish Phenotypic Assay Tetradehydrohalicyclamine A and 22-Hydroxyhalicyclamine A, New Cytotoxic Bis-piperidine Alkaloids from a Marine Sponge <i>Amphimedon</i> sp.