N2-(1-Oxodecyl)-L-arginyl-L-valyl-N-[(1S)-4-[(aminoiminomethyl)amino]-1-(chloroacetyl)butyl]-L-lysinamide is a Furin inhibitor that may be used in the inhibition of the Chikungunya virus (CHIKV), a mosquito-transmitted Alphavirus that causes in humans an acute infection characterized by polyarthralgia, fever, myalgia, and headache