NC(=O)c1nc(F)cn(CC(=O)N2CCC(C(=O)N3CCCCC3)CC2)c1=O
NC(=O)c1nc(F)cnc1OCC(=O)N1CCC(C(=O)N2CCCCC2)CC1
In a small trial, Favipiravir had a more potent antiviral action on SARS-CoV-2 than lopinavir/ritonavir. Attach Favipiravir to any of the alpha-chloroacetamides fragments. Make the O and N alkylated products.