Antiviral agent 53

Antiviralagent 53 (Compound (S)-4v) is an antiviral agent capable of inhibiting the activity of Potato Virus Y (PVY), demonstrating remarkable curative and protective effects against PVY with EC50 values of 328.6 and 256.1 μg/mL, respectively. Antiviralagent 53 holds potential for the development of new agricultural pesticides.