Colchicoside (3-Demethylcolchicine glucoside) is extracted from Gloriosa superba and shows efficacy in a murine model of pancreatic adenocarcinoma.

Phenylalanylalanine (H-Phe-Ala-OH) is a dipeptide composed of phenylalanine and alanine. Phenylalanylalanine is an incomplete breakdown product of protein digestion or protein catabolism.

Korepimedoside C (Epimedin I), a flavonol glycoside, is isolated from the aerial parts of Epimedium koreanum Nakai. Epimedium koreanum Nakai is a famous Chinese herbal medicine for the research of impotence, osteoporosis, immune suppression and cardiovascular diseases.