α-Synuclein inhibitor 8 is an active inhibitor of α-Synuclein with an IC₅₀ value of 2.5 µM. α-Synuclein inhibitor 8 has highly inhibition on the aggregation and disaggregation of α-Synuclein fibers. α-Synuclein inhibitor 8 reduces the formation of inclusions in neurons that can repairs damage neurons and improves Parkinson’s disease (PD)-like symptoms. α-Synuclein inhibitor 8 has high antioxidant activity and low cytotoxicity^[1].