Nigellidine — A new indazole alkaloid from the seeds of Nigella sativa

Nigellidine — A new indazole alkaloid from the seeds of Nigella sativa Nigellidine-4-<i>O</i>-sulfite, the First Sulfated Indazole-Type Alkaloid from the Seeds of <i>Nigella sativa</i> Nigellimine: A New Isoquinoline Alkaloid from the Seeds of Nigella sativa A New Alkaloid and Its Artificial Derivative with an Indazole Ring from Nigella glandulifera Nigellimine: A New Isoquinoline Alkaloid from the Seeds of Nigella sativa Three new alkaloids from the seeds of Nigella glandulifera Indazole-type alkaloids from the seeds of Nigella glandulifera Indazole-Type Alkaloids from <i>Nigella sativa</i> Seeds Exhibit Antihyperglycemic Effects via AMPK Activation in Vitro Indazole-Type Alkaloids from <i>Nigella sativa</i> Seeds Exhibit Antihyperglycemic Effects via AMPK Activation in Vitro Dolabellane-type diterpene alkaloids from Nigella glandulifera