Antimicrobial N-Methylpyridinium Salts Related to the Xestamines from the Caribbean Sponge Calyx podatypa

Antimicrobial N-Methylpyridinium Salts Related to the Xestamines from the Caribbean Sponge Calyx podatypa Xestamines A, B, and C, Three New Long-Chain Methoxylamine Pyridines from the Sponge Xestospongia wiedenmayeri Two New Alkaloids from Xestospongia sp., a New Caledonian Sponge Two New Alkaloids from Xestospongia sp., a New Caledonian Sponge Calyxamines A and B, Novel Piperidine Alkaloids from the Caribbean Sea Sponge Calyx podatypa Novel Marine Sponge Amino Acids, 10. Xestoaminoh from Xestaspongia sp. Novel Marine Sponge Amino Acids, 10. Xestoaminoh from Xestaspongia sp. The Calyxolanes:  New 1,3-Diphenylbutanoid Metabolites Isolated from the Caribbean Marine Sponge <i>Calyx podatypa</i> Antiplasmodial Compounds from Indonesian Marine Sponge, Xestospongia sp, against Plasmodium falciparum 3D7 Bioactive marine metabolites. 24. Isolation and structure elucidation of calyculins B, C, and D, novel antitumor metabolites, from the marine sponge Discodermia calyx