Cyclostellettamines A-F, pyridine alkaloids which inhibit binding of methyl quinuclidinyl benzilate (QNB) to muscarinic acetylcholine receptors, from the marine sponge, Stelletta maxima

Cyclostellettamines A-F, pyridine alkaloids which inhibit binding of methyl quinuclidinyl benzilate (QNB) to muscarinic acetylcholine receptors, from the marine sponge, Stelletta maxima Stellettahide a, an antifungal alkaloid from a marine sponge of the genus stelletta Stellettazole A: An antibacterial guanidinoimidazole alkaloid from a marine sponge Stelletta sp. Stellettamide B, a New Indolizidine Alkaloid from a Sponge of the Genus <i>Stelletta</i> Stellettamide B, a New Indolizidine Alkaloid from a Sponge of the Genus <i>Stelletta</i> Xestamines A, B, and C, Three New Long-Chain Methoxylamine Pyridines from the Sponge Xestospongia wiedenmayeri Tetradehydrohalicyclamine A and 22-Hydroxyhalicyclamine A, New Cytotoxic Bis-piperidine Alkaloids from a Marine Sponge Amphimedon sp. Bistellettadines A and B:  Two Bioactive Dimeric Stellettadines from a Marine Sponge <i>Stelletta</i> sp.¹ Tetradehydrohalicyclamine A and 22-Hydroxyhalicyclamine A, New Cytotoxic Bis-piperidine Alkaloids from a Marine Sponge <i>Amphimedon</i> sp. Petrosamine, a potent anticholinesterase pyridoacridine alkaloid from a Thai marine sponge Petrosia n. sp