(E)-Methyl 4-coumarate (Methyl 4-hydroxycinnamate), found in several plants, such as Allium cepa or Morinda citrifolia L. leaves. (E)-Methyl 4-coumarate cooperates with Carnosic Acid in inducing apoptosis and killing acute myeloid leukemia cells, but not normal peripheral blood mononuclear cells. Antioxidant and antimicrobial activity.