Ergotamine - An indole alkaloid obtained from the Ergot
Notes on Pharmacognosy
Indole containing vinca alkaloids - Vinblastine, vincristine and vindoline.
Pharmacognosy of Vinca Alkaloids (Periwinkle)
Structure of hypericin and pseudohypericin - two major constituents of St. John's Wort
Pharmacognosy of St. John’s Wort
Structures of Allin, Allicin and Ajoene
Pharmacognosy and Health Benefits of Garlic
Structure of Eugenol and Myristicin