4-Methoxycinnamaldehyde

4-Methoxycinnamaldehyde is an active ingredient of Agastache rugosa.4-Methoxycinnamaldehyde has cytoprotective activity against respiratory syncytial virus (RSV) in human laryngeal carcinoma cell lines, and helps to control disease induced by RSV infection, with an IC50 of approximately 0.055 μg/mL. The IC50 was about 0.055 μg/mL.