7-Epicylindrospermopsin, a Toxic Minor Metabolite of the Cyanobacterium Aphanizomenon ovalisporum from Lake Kinneret, Israel

7-Epicylindrospermopsin, a Toxic Minor Metabolite of the Cyanobacterium <i>Aphanizomenon </i><i>o</i><i>valisporum </i>from Lake Kinneret, Israel Toxins and Biologically Active Secondary Metabolites of <i>Microcystis</i> sp. isolated from Lake Kinneret 7-Deoxy-desulfo-cylindrospermopsin and 7-deoxy-desulfo-12-acetylcylindrospermopsin: Two new cylindrospermopsin analogs isolated from a Thai strain of Cylindrospermopsis raciborskii 7-Deoxy-desulfo-cylindrospermopsin and 7-deoxy-desulfo-12-acetylcylindrospermopsin: Two new cylindrospermopsin analogs isolated from a Thai strain of Cylindrospermopsis raciborskii Total Synthesis of (−)-7-Epicylindrospermopsin, a Toxic Metabolite of the Freshwater Cyanobacterium <i>Aphanizomenon </i><i>o</i><i>valisporum</i>, and Assignment of Its Absolute Configuration Three novel metabolites from a bloom of the cyanobacterium Microcystis sp. Three novel metabolites from a bloom of the cyanobacterium Microcystis sp. Metabolites of <i>Microcystis aeruginosa</i> Bloom Material from Lake Kinneret, Israel Metabolites of <i>Microcystis aeruginosa</i> Bloom Material from Lake Kinneret, Israel Alternative Isolation Protocol for Desulfo and Zwitterionic Cylindrospermopsin Alkaloids and Comparison of Their Toxicity in HepG2 Cells