Structure and Configuration of Phosphoeleganin, a Protein Tyrosine Phosphatase 1B Inhibitor from the Mediterranean Ascidian Sidnyum elegans

Structure and Configuration of Phosphoeleganin, a Protein Tyrosine Phosphatase 1B Inhibitor from the Mediterranean Ascidian Sidnyum elegans Highly Conjugated Norditerpenoid and Pyrroloquinoline Alkaloids with Potent PTP1B Inhibitory Activity fromNigella glandulifera Highly Conjugated Norditerpenoid and Pyrroloquinoline Alkaloids with Potent PTP1B Inhibitory Activity from<i>Nigella glandulifera</i> Phloroglucinol Derivatives with Protein Tyrosine Phosphatase 1B Inhibitory Activities from <i>Eugenia jambolana</i> Seeds A tetramic acid derivative with protein tyrosine phosphatase 1B inhibitory activity and a new nortriterpene glycoside from the Indonesian marine sponge Petrosia sp. Stilbenes with Potent Protein Tyrosine Phosphatase-1B Inhibitory Activity from the Roots of <i>Polygonum multiflorum</i> Verruculides A and B, two new protein tyrosine phosphatase 1B inhibitors from an Indonesian ascidian-derived Penicillium verruculosum Strongylophorines, new protein tyrosine phosphatase 1B inhibitors, from the marine sponge Strongylophora strongilata collected at Iriomote Island Pyrrolo-isoquinoline and glycosylated pyrrolidine alkaloids from Nigella glandulifera and their anti-PTP1B activity Vanillic Acid Derivatives from the Green Algae <i>Cladophora socialis</i> As Potent Protein Tyrosine Phosphatase 1B Inhibitors