Briefly described, embodiments of this disclosure include compounds (e.g., such as Formula II, Formula II-a, and specific compounds shown in Table 1), pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of inhibiting HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3′UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.