The barks of Cinnamomum cassia.

Cannabisin B possesses considerable antiproliferative activity and that it may be utilised as a promising chemopreventive agent against hepatoblastoma disease.

Yuankanin, a natural compound found in thyme leaves, Daphne gnidium and Daphne feddei, is a genkwanin-5-bioside with anthelmintic activity.